Body Temperature

Body temperature refers to your body's current operating temperature, typically maintained within a narrow optimal range.

Body Temperature

Normal range

Normal range

36.5-37.5 °C

36.5-37.5 °C

Normal range

36.5-37.5 °C

36.5-37.5 °C

Normal range

Body Temperature

Body Temperature

Body temperature refers to your body's current operating temperature, typically maintained within a narrow optimal range.

Body Temperature

Normal range

36.5-37.5 °C

Normal range

36.5-37.5 °C

36.5-37.5 °C

Normal range

Body Temperature

Body Temperature

Body temperature refers to your body's current operating temperature, typically maintained within a narrow optimal range.

Body Temperature

Normal range

36.5-37.5 °C

Normal range

36.5-37.5 °C

36.5-37.5 °C

Normal range

Body Temperature

Body Temperature

Body temperature refers to your body's current operating temperature, typically maintained within a narrow optimal range.

Body Temperature

Normal range

36.5-37.5 °C

Normal range

36.5-37.5 °C

36.5-37.5 °C

Normal range

Body Temperature

Dr. Thiviya Sivakanthan

MBBS

Your Body’s Thermostat and Health Indicator

Your Body’s Thermostat and Health Indicator

Your Body’s Thermostat and Health Indicator

Body temperature is a vital sign that reflects your body’s ability to generate and dissipate heat, crucial for maintaining optimal biochemical and physiological function. While you might think of it only when you feel feverish, your temperature subtly fluctuates throughout the day, offering important insights into your metabolism, immune function, hormonal balance, and recovery status.

With modern wearables, continuous body temperature monitoring is becoming more accessible, allowing you to spot illness early, optimise training, and better understand your body’s rhythms.

Body temperature is a vital sign that reflects your body’s ability to generate and dissipate heat, crucial for maintaining optimal biochemical and physiological function. While you might think of it only when you feel feverish, your temperature subtly fluctuates throughout the day, offering important insights into your metabolism, immune function, hormonal balance, and recovery status.

With modern wearables, continuous body temperature monitoring is becoming more accessible, allowing you to spot illness early, optimise training, and better understand your body’s rhythms.

Why Body Temperature Matters

Why Body Temperature Matters

Why Body Temperature Matters

Why Body Temperature Matters

Temperature reflects metabolic health, immune response, and hormonal balance.

Read more

What Influences Your Body Temperature

What Influences Your Body Temperature

What Influences Your Body Temperature

What Influences Your Body Temperature

Factors from circadian rhythms to infection impact your temperature.

Read more

How to Support Healthy Body Temperature Regulation

How to Support Healthy Body Temperature Regulation

How to Support Healthy Body Temperature Regulation

How to Support Healthy Body Temperature Regulation

Lifestyle habits and environment help maintain optimal body heat balance.

Read more

Understanding Your Results

Understanding Your Results

Understanding Your Results

Understanding Your Results

How wearables measure temperature, normal ranges, and when to be concerned.

Read more

Why Body Temperature Matters

Body temperature is a quiet but powerful signal of how well your body is functioning. Although we often think of 37°C (98.6°F) as the "normal" value, your core temperature naturally shifts throughout the day—by around 0.5 to 1°C—in response to hormones, activity levels, and your internal clock. These fluctuations aren’t just noise; they reflect meaningful changes in how your body is balancing energy use, immune defense, and heat regulation.

Temperature plays a crucial role in almost every physiological process. Enzymes that power metabolism depend on a narrow temperature range to work effectively. Muscle performance, brain function, and immune activity are all influenced by how warm—or cool—your body is. This balance is carefully managed by the hypothalamus, a region in your brain that adjusts heat production (from muscle activity and metabolism) with heat loss (through your skin, breathing, and sweat).

When temperature rises, it’s often a sign your immune system is responding to infection or inflammation. A lower temperature, on the other hand, may point to issues like underactive thyroid, poor circulation, or exposure to cold. Even when you’re well, subtle temperature changes can reflect where you are in your menstrual cycle, how stressed or recovered you are, or how well you slept. Paying attention to these shifts offers a window into your body’s current state.

Why Body Temperature Matters

Body temperature is a quiet but powerful signal of how well your body is functioning. Although we often think of 37°C (98.6°F) as the "normal" value, your core temperature naturally shifts throughout the day—by around 0.5 to 1°C—in response to hormones, activity levels, and your internal clock. These fluctuations aren’t just noise; they reflect meaningful changes in how your body is balancing energy use, immune defense, and heat regulation.

Temperature plays a crucial role in almost every physiological process. Enzymes that power metabolism depend on a narrow temperature range to work effectively. Muscle performance, brain function, and immune activity are all influenced by how warm—or cool—your body is. This balance is carefully managed by the hypothalamus, a region in your brain that adjusts heat production (from muscle activity and metabolism) with heat loss (through your skin, breathing, and sweat).

When temperature rises, it’s often a sign your immune system is responding to infection or inflammation. A lower temperature, on the other hand, may point to issues like underactive thyroid, poor circulation, or exposure to cold. Even when you’re well, subtle temperature changes can reflect where you are in your menstrual cycle, how stressed or recovered you are, or how well you slept. Paying attention to these shifts offers a window into your body’s current state.

Why Body Temperature Matters

Body temperature is a quiet but powerful signal of how well your body is functioning. Although we often think of 37°C (98.6°F) as the "normal" value, your core temperature naturally shifts throughout the day—by around 0.5 to 1°C—in response to hormones, activity levels, and your internal clock. These fluctuations aren’t just noise; they reflect meaningful changes in how your body is balancing energy use, immune defense, and heat regulation.

Temperature plays a crucial role in almost every physiological process. Enzymes that power metabolism depend on a narrow temperature range to work effectively. Muscle performance, brain function, and immune activity are all influenced by how warm—or cool—your body is. This balance is carefully managed by the hypothalamus, a region in your brain that adjusts heat production (from muscle activity and metabolism) with heat loss (through your skin, breathing, and sweat).

When temperature rises, it’s often a sign your immune system is responding to infection or inflammation. A lower temperature, on the other hand, may point to issues like underactive thyroid, poor circulation, or exposure to cold. Even when you’re well, subtle temperature changes can reflect where you are in your menstrual cycle, how stressed or recovered you are, or how well you slept. Paying attention to these shifts offers a window into your body’s current state.

Why Body Temperature Matters

Body temperature is a quiet but powerful signal of how well your body is functioning. Although we often think of 37°C (98.6°F) as the "normal" value, your core temperature naturally shifts throughout the day—by around 0.5 to 1°C—in response to hormones, activity levels, and your internal clock. These fluctuations aren’t just noise; they reflect meaningful changes in how your body is balancing energy use, immune defense, and heat regulation.

Temperature plays a crucial role in almost every physiological process. Enzymes that power metabolism depend on a narrow temperature range to work effectively. Muscle performance, brain function, and immune activity are all influenced by how warm—or cool—your body is. This balance is carefully managed by the hypothalamus, a region in your brain that adjusts heat production (from muscle activity and metabolism) with heat loss (through your skin, breathing, and sweat).

When temperature rises, it’s often a sign your immune system is responding to infection or inflammation. A lower temperature, on the other hand, may point to issues like underactive thyroid, poor circulation, or exposure to cold. Even when you’re well, subtle temperature changes can reflect where you are in your menstrual cycle, how stressed or recovered you are, or how well you slept. Paying attention to these shifts offers a window into your body’s current state.

What Influences Your Body Temperature

Body temperature isn’t fixed; it responds to a variety of internal and external signals. Some of these changes follow predictable patterns, while others may suggest your body is under stress or fighting something off.

At the core of temperature regulation is the hypothalamus, a part of the brain that acts like your internal thermostat. It receives input from temperature-sensitive nerve endings (thermoreceptors) located throughout the body. When it senses that your core temperature is rising or falling outside the ideal range, it triggers adjustments through mechanisms like sweating, shivering, vasodilation, and vasoconstriction.


  • Vasodilation, or widening of blood vessels, increases blood flow to the skin, allowing heat to dissipate when you’re too warm.

  • Vasoconstriction, or narrowing of blood vessels, helps retain heat when you’re cold by reducing blood flow to the skin.

  • Sweating promotes evaporative cooling, while shivering generates heat through rapid muscle activity.


These mechanisms are constantly at play, fine-tuning your temperature in response to both internal cues (like hormone levels or infection) and external conditions (like weather or clothing).

Circadian rhythm is one of the most reliable internal cues—your body temperature dips during the night and rises during the day in sync with your sleep-wake cycle. Physical activity increases temperature as muscles generate heat, while rest and recovery tend to cool the body down.

Hormonal changes also influence temperature. For example, progesterone released after ovulation causes a slight but noticeable increase in core body temperature during the second half of the menstrual cycle. Illness can cause your hypothalamus to raise the set point—resulting in a fever that helps the immune system work more effectively.

Environmental conditions, such as ambient temperature, humidity, and clothing, affect how easily your body loses or retains heat. Age also plays a role—older adults tend to have slightly lower baseline temperatures and may have a reduced ability to sense and respond to temperature changes. Medications, including some used for blood pressure or mental health, can interfere with these regulatory pathways.

Understanding both the physiological control mechanisms and the external influences on temperature helps you interpret shifts in context—whether they reflect natural variation, stress, or signs of illness.

What Influences Your Body Temperature

Body temperature isn’t fixed; it responds to a variety of internal and external signals. Some of these changes follow predictable patterns, while others may suggest your body is under stress or fighting something off.

At the core of temperature regulation is the hypothalamus, a part of the brain that acts like your internal thermostat. It receives input from temperature-sensitive nerve endings (thermoreceptors) located throughout the body. When it senses that your core temperature is rising or falling outside the ideal range, it triggers adjustments through mechanisms like sweating, shivering, vasodilation, and vasoconstriction.


  • Vasodilation, or widening of blood vessels, increases blood flow to the skin, allowing heat to dissipate when you’re too warm.

  • Vasoconstriction, or narrowing of blood vessels, helps retain heat when you’re cold by reducing blood flow to the skin.

  • Sweating promotes evaporative cooling, while shivering generates heat through rapid muscle activity.


These mechanisms are constantly at play, fine-tuning your temperature in response to both internal cues (like hormone levels or infection) and external conditions (like weather or clothing).

Circadian rhythm is one of the most reliable internal cues—your body temperature dips during the night and rises during the day in sync with your sleep-wake cycle. Physical activity increases temperature as muscles generate heat, while rest and recovery tend to cool the body down.

Hormonal changes also influence temperature. For example, progesterone released after ovulation causes a slight but noticeable increase in core body temperature during the second half of the menstrual cycle. Illness can cause your hypothalamus to raise the set point—resulting in a fever that helps the immune system work more effectively.

Environmental conditions, such as ambient temperature, humidity, and clothing, affect how easily your body loses or retains heat. Age also plays a role—older adults tend to have slightly lower baseline temperatures and may have a reduced ability to sense and respond to temperature changes. Medications, including some used for blood pressure or mental health, can interfere with these regulatory pathways.

Understanding both the physiological control mechanisms and the external influences on temperature helps you interpret shifts in context—whether they reflect natural variation, stress, or signs of illness.

What Influences Your Body Temperature

Body temperature isn’t fixed; it responds to a variety of internal and external signals. Some of these changes follow predictable patterns, while others may suggest your body is under stress or fighting something off.

At the core of temperature regulation is the hypothalamus, a part of the brain that acts like your internal thermostat. It receives input from temperature-sensitive nerve endings (thermoreceptors) located throughout the body. When it senses that your core temperature is rising or falling outside the ideal range, it triggers adjustments through mechanisms like sweating, shivering, vasodilation, and vasoconstriction.


  • Vasodilation, or widening of blood vessels, increases blood flow to the skin, allowing heat to dissipate when you’re too warm.

  • Vasoconstriction, or narrowing of blood vessels, helps retain heat when you’re cold by reducing blood flow to the skin.

  • Sweating promotes evaporative cooling, while shivering generates heat through rapid muscle activity.


These mechanisms are constantly at play, fine-tuning your temperature in response to both internal cues (like hormone levels or infection) and external conditions (like weather or clothing).

Circadian rhythm is one of the most reliable internal cues—your body temperature dips during the night and rises during the day in sync with your sleep-wake cycle. Physical activity increases temperature as muscles generate heat, while rest and recovery tend to cool the body down.

Hormonal changes also influence temperature. For example, progesterone released after ovulation causes a slight but noticeable increase in core body temperature during the second half of the menstrual cycle. Illness can cause your hypothalamus to raise the set point—resulting in a fever that helps the immune system work more effectively.

Environmental conditions, such as ambient temperature, humidity, and clothing, affect how easily your body loses or retains heat. Age also plays a role—older adults tend to have slightly lower baseline temperatures and may have a reduced ability to sense and respond to temperature changes. Medications, including some used for blood pressure or mental health, can interfere with these regulatory pathways.

Understanding both the physiological control mechanisms and the external influences on temperature helps you interpret shifts in context—whether they reflect natural variation, stress, or signs of illness.

What Influences Your Body Temperature

Body temperature isn’t fixed; it responds to a variety of internal and external signals. Some of these changes follow predictable patterns, while others may suggest your body is under stress or fighting something off.

At the core of temperature regulation is the hypothalamus, a part of the brain that acts like your internal thermostat. It receives input from temperature-sensitive nerve endings (thermoreceptors) located throughout the body. When it senses that your core temperature is rising or falling outside the ideal range, it triggers adjustments through mechanisms like sweating, shivering, vasodilation, and vasoconstriction.


  • Vasodilation, or widening of blood vessels, increases blood flow to the skin, allowing heat to dissipate when you’re too warm.

  • Vasoconstriction, or narrowing of blood vessels, helps retain heat when you’re cold by reducing blood flow to the skin.

  • Sweating promotes evaporative cooling, while shivering generates heat through rapid muscle activity.


These mechanisms are constantly at play, fine-tuning your temperature in response to both internal cues (like hormone levels or infection) and external conditions (like weather or clothing).

Circadian rhythm is one of the most reliable internal cues—your body temperature dips during the night and rises during the day in sync with your sleep-wake cycle. Physical activity increases temperature as muscles generate heat, while rest and recovery tend to cool the body down.

Hormonal changes also influence temperature. For example, progesterone released after ovulation causes a slight but noticeable increase in core body temperature during the second half of the menstrual cycle. Illness can cause your hypothalamus to raise the set point—resulting in a fever that helps the immune system work more effectively.

Environmental conditions, such as ambient temperature, humidity, and clothing, affect how easily your body loses or retains heat. Age also plays a role—older adults tend to have slightly lower baseline temperatures and may have a reduced ability to sense and respond to temperature changes. Medications, including some used for blood pressure or mental health, can interfere with these regulatory pathways.

Understanding both the physiological control mechanisms and the external influences on temperature helps you interpret shifts in context—whether they reflect natural variation, stress, or signs of illness.

How to Support Healthy Body Temperature Regulation

Your body constantly works to maintain a safe and efficient internal temperature, and you can support this process with a few simple habits. Staying hydrated is essential—water helps your body release excess heat through sweating and skin cooling. Wearing layers allows you to adapt to changing environments without putting strain on your system. Exercise plays a key role too: regular movement strengthens your ability to generate and distribute heat efficiently.

Good sleep hygiene reinforces the body’s natural temperature rhythm. Core temperature drops at night to help you fall and stay asleep, and poor sleep can disrupt this pattern. Chronic stress can also interfere with temperature control by impairing the hypothalamus. Learning to manage stress—through mindfulness, breathing exercises, or rest—helps your body regulate more smoothly.

Avoiding prolonged exposure to extreme heat or cold also protects your internal balance. Over time, supporting healthy temperature regulation improves your body’s resilience to illness, enhances recovery, and supports better metabolic and immune function.

One way to make temperature tracking more useful is to let it guide how you move through the day. In the early morning, when your core temperature is at its lowest, gentle movement, light exposure, and a warm shower can help raise alertness. This is a good time for slower starts rather than demanding physical or mental tasks.

By mid to late afternoon, your temperature peaks. This window is often when you're most physically and mentally sharp, making it an ideal time for workouts, focused work, or important meetings. In the evening, your temperature naturally starts to fall—helping to cue your body that it’s time to wind down. Supporting this drop with dim lights, lighter dinners, and cooler bedrooms can improve sleep quality.

Paying attention to unusual shifts—like feeling warmer or cooler than usual—can help you catch early signs of illness or overexertion. If your temperature is elevated, it may be a cue to take things slower and prioritise recovery.

How to Support Healthy Body Temperature Regulation

Your body constantly works to maintain a safe and efficient internal temperature, and you can support this process with a few simple habits. Staying hydrated is essential—water helps your body release excess heat through sweating and skin cooling. Wearing layers allows you to adapt to changing environments without putting strain on your system. Exercise plays a key role too: regular movement strengthens your ability to generate and distribute heat efficiently.

Good sleep hygiene reinforces the body’s natural temperature rhythm. Core temperature drops at night to help you fall and stay asleep, and poor sleep can disrupt this pattern. Chronic stress can also interfere with temperature control by impairing the hypothalamus. Learning to manage stress—through mindfulness, breathing exercises, or rest—helps your body regulate more smoothly.

Avoiding prolonged exposure to extreme heat or cold also protects your internal balance. Over time, supporting healthy temperature regulation improves your body’s resilience to illness, enhances recovery, and supports better metabolic and immune function.

One way to make temperature tracking more useful is to let it guide how you move through the day. In the early morning, when your core temperature is at its lowest, gentle movement, light exposure, and a warm shower can help raise alertness. This is a good time for slower starts rather than demanding physical or mental tasks.

By mid to late afternoon, your temperature peaks. This window is often when you're most physically and mentally sharp, making it an ideal time for workouts, focused work, or important meetings. In the evening, your temperature naturally starts to fall—helping to cue your body that it’s time to wind down. Supporting this drop with dim lights, lighter dinners, and cooler bedrooms can improve sleep quality.

Paying attention to unusual shifts—like feeling warmer or cooler than usual—can help you catch early signs of illness or overexertion. If your temperature is elevated, it may be a cue to take things slower and prioritise recovery.

How to Support Healthy Body Temperature Regulation

Your body constantly works to maintain a safe and efficient internal temperature, and you can support this process with a few simple habits. Staying hydrated is essential—water helps your body release excess heat through sweating and skin cooling. Wearing layers allows you to adapt to changing environments without putting strain on your system. Exercise plays a key role too: regular movement strengthens your ability to generate and distribute heat efficiently.

Good sleep hygiene reinforces the body’s natural temperature rhythm. Core temperature drops at night to help you fall and stay asleep, and poor sleep can disrupt this pattern. Chronic stress can also interfere with temperature control by impairing the hypothalamus. Learning to manage stress—through mindfulness, breathing exercises, or rest—helps your body regulate more smoothly.

Avoiding prolonged exposure to extreme heat or cold also protects your internal balance. Over time, supporting healthy temperature regulation improves your body’s resilience to illness, enhances recovery, and supports better metabolic and immune function.

One way to make temperature tracking more useful is to let it guide how you move through the day. In the early morning, when your core temperature is at its lowest, gentle movement, light exposure, and a warm shower can help raise alertness. This is a good time for slower starts rather than demanding physical or mental tasks.

By mid to late afternoon, your temperature peaks. This window is often when you're most physically and mentally sharp, making it an ideal time for workouts, focused work, or important meetings. In the evening, your temperature naturally starts to fall—helping to cue your body that it’s time to wind down. Supporting this drop with dim lights, lighter dinners, and cooler bedrooms can improve sleep quality.

Paying attention to unusual shifts—like feeling warmer or cooler than usual—can help you catch early signs of illness or overexertion. If your temperature is elevated, it may be a cue to take things slower and prioritise recovery.

How to Support Healthy Body Temperature Regulation

Your body constantly works to maintain a safe and efficient internal temperature, and you can support this process with a few simple habits. Staying hydrated is essential—water helps your body release excess heat through sweating and skin cooling. Wearing layers allows you to adapt to changing environments without putting strain on your system. Exercise plays a key role too: regular movement strengthens your ability to generate and distribute heat efficiently.

Good sleep hygiene reinforces the body’s natural temperature rhythm. Core temperature drops at night to help you fall and stay asleep, and poor sleep can disrupt this pattern. Chronic stress can also interfere with temperature control by impairing the hypothalamus. Learning to manage stress—through mindfulness, breathing exercises, or rest—helps your body regulate more smoothly.

Avoiding prolonged exposure to extreme heat or cold also protects your internal balance. Over time, supporting healthy temperature regulation improves your body’s resilience to illness, enhances recovery, and supports better metabolic and immune function.

One way to make temperature tracking more useful is to let it guide how you move through the day. In the early morning, when your core temperature is at its lowest, gentle movement, light exposure, and a warm shower can help raise alertness. This is a good time for slower starts rather than demanding physical or mental tasks.

By mid to late afternoon, your temperature peaks. This window is often when you're most physically and mentally sharp, making it an ideal time for workouts, focused work, or important meetings. In the evening, your temperature naturally starts to fall—helping to cue your body that it’s time to wind down. Supporting this drop with dim lights, lighter dinners, and cooler bedrooms can improve sleep quality.

Paying attention to unusual shifts—like feeling warmer or cooler than usual—can help you catch early signs of illness or overexertion. If your temperature is elevated, it may be a cue to take things slower and prioritise recovery.

Understanding Your Results

Wearables that track temperature usually estimate skin temperature or use sensors to detect trends in your body’s heat over time. It’s important to know that skin temperature varies more than core temperature and is easily influenced by the environment. Still, looking at trends—rather than single data points—can offer meaningful insights into how your body is coping with stress, recovery, sleep, or illness.

Typical core body temperature ranges:


Temperature (°C)

Interpretation

<35.0

Hypothermia; requires medical attention


35.0–36.0

Lower than average; possible hypothyroidism or circulation issues

36.1–37.2

Normal range


37.3–38.0

Low-grade fever; possible mild infection or inflammation


>38.0

Fever; likely infection or significant inflammation



Remember that temperature should be interpreted in context. A single high or low reading isn’t always meaningful—but persistent deviations, especially when combined with other symptoms like fatigue or chills, may warrant attention. Looking at patterns over several days will give you the clearest picture of what your body is telling you.

Understanding Your Results

Wearables that track temperature usually estimate skin temperature or use sensors to detect trends in your body’s heat over time. It’s important to know that skin temperature varies more than core temperature and is easily influenced by the environment. Still, looking at trends—rather than single data points—can offer meaningful insights into how your body is coping with stress, recovery, sleep, or illness.

Typical core body temperature ranges:


Temperature (°C)

Interpretation

<35.0

Hypothermia; requires medical attention


35.0–36.0

Lower than average; possible hypothyroidism or circulation issues

36.1–37.2

Normal range


37.3–38.0

Low-grade fever; possible mild infection or inflammation


>38.0

Fever; likely infection or significant inflammation



Remember that temperature should be interpreted in context. A single high or low reading isn’t always meaningful—but persistent deviations, especially when combined with other symptoms like fatigue or chills, may warrant attention. Looking at patterns over several days will give you the clearest picture of what your body is telling you.

Understanding Your Results

Wearables that track temperature usually estimate skin temperature or use sensors to detect trends in your body’s heat over time. It’s important to know that skin temperature varies more than core temperature and is easily influenced by the environment. Still, looking at trends—rather than single data points—can offer meaningful insights into how your body is coping with stress, recovery, sleep, or illness.

Typical core body temperature ranges:


Temperature (°C)

Interpretation

<35.0

Hypothermia; requires medical attention


35.0–36.0

Lower than average; possible hypothyroidism or circulation issues

36.1–37.2

Normal range


37.3–38.0

Low-grade fever; possible mild infection or inflammation


>38.0

Fever; likely infection or significant inflammation



Remember that temperature should be interpreted in context. A single high or low reading isn’t always meaningful—but persistent deviations, especially when combined with other symptoms like fatigue or chills, may warrant attention. Looking at patterns over several days will give you the clearest picture of what your body is telling you.

Understanding Your Results

Wearables that track temperature usually estimate skin temperature or use sensors to detect trends in your body’s heat over time. It’s important to know that skin temperature varies more than core temperature and is easily influenced by the environment. Still, looking at trends—rather than single data points—can offer meaningful insights into how your body is coping with stress, recovery, sleep, or illness.

Typical core body temperature ranges:


Temperature (°C)

Interpretation

<35.0

Hypothermia; requires medical attention


35.0–36.0

Lower than average; possible hypothyroidism or circulation issues

36.1–37.2

Normal range


37.3–38.0

Low-grade fever; possible mild infection or inflammation


>38.0

Fever; likely infection or significant inflammation



Remember that temperature should be interpreted in context. A single high or low reading isn’t always meaningful—but persistent deviations, especially when combined with other symptoms like fatigue or chills, may warrant attention. Looking at patterns over several days will give you the clearest picture of what your body is telling you.

The Takeaway

Body temperature is more than just a number—it’s a vital indicator of your metabolic, immune, and hormonal health. Tracking your temperature trends helps detect illness early, optimise recovery, and understand your body's natural rhythms.

Use wearable data wisely, combining it with how you feel and other health metrics. Supporting your body through hydration, good sleep, and stress reduction will keep your internal thermostat balanced and your health on track.

The Takeaway

Body temperature is more than just a number—it’s a vital indicator of your metabolic, immune, and hormonal health. Tracking your temperature trends helps detect illness early, optimise recovery, and understand your body's natural rhythms.

Use wearable data wisely, combining it with how you feel and other health metrics. Supporting your body through hydration, good sleep, and stress reduction will keep your internal thermostat balanced and your health on track.

The Takeaway

Body temperature is more than just a number—it’s a vital indicator of your metabolic, immune, and hormonal health. Tracking your temperature trends helps detect illness early, optimise recovery, and understand your body's natural rhythms.

Use wearable data wisely, combining it with how you feel and other health metrics. Supporting your body through hydration, good sleep, and stress reduction will keep your internal thermostat balanced and your health on track.

The Takeaway

Body temperature is more than just a number—it’s a vital indicator of your metabolic, immune, and hormonal health. Tracking your temperature trends helps detect illness early, optimise recovery, and understand your body's natural rhythms.

Use wearable data wisely, combining it with how you feel and other health metrics. Supporting your body through hydration, good sleep, and stress reduction will keep your internal thermostat balanced and your health on track.

References

  1. Mackowiak, P.A., et al. (1992). The value of body temperature measurements. Clinical Infectious Diseases, 15(5), 914–919.

  2. Cuddy, J.L., et al. (2019). Circadian rhythm of body temperature and its effect on human performance. Frontiers in Physiology, 10, 151.

  3. Harding, E.C., et al. (2019). The temperature dependence of sleep. Current Opinion in Neurobiology, 60, 99–105.

  4. Herold, S., et al. (2018). The effects of stress on thermoregulation and immune function. Brain, Behavior, and Immunity, 69, 97–105.

References

  1. Mackowiak, P.A., et al. (1992). The value of body temperature measurements. Clinical Infectious Diseases, 15(5), 914–919.

  2. Cuddy, J.L., et al. (2019). Circadian rhythm of body temperature and its effect on human performance. Frontiers in Physiology, 10, 151.

  3. Harding, E.C., et al. (2019). The temperature dependence of sleep. Current Opinion in Neurobiology, 60, 99–105.

  4. Herold, S., et al. (2018). The effects of stress on thermoregulation and immune function. Brain, Behavior, and Immunity, 69, 97–105.

References

  1. Mackowiak, P.A., et al. (1992). The value of body temperature measurements. Clinical Infectious Diseases, 15(5), 914–919.

  2. Cuddy, J.L., et al. (2019). Circadian rhythm of body temperature and its effect on human performance. Frontiers in Physiology, 10, 151.

  3. Harding, E.C., et al. (2019). The temperature dependence of sleep. Current Opinion in Neurobiology, 60, 99–105.

  4. Herold, S., et al. (2018). The effects of stress on thermoregulation and immune function. Brain, Behavior, and Immunity, 69, 97–105.

References

  1. Mackowiak, P.A., et al. (1992). The value of body temperature measurements. Clinical Infectious Diseases, 15(5), 914–919.

  2. Cuddy, J.L., et al. (2019). Circadian rhythm of body temperature and its effect on human performance. Frontiers in Physiology, 10, 151.

  3. Harding, E.C., et al. (2019). The temperature dependence of sleep. Current Opinion in Neurobiology, 60, 99–105.

  4. Herold, S., et al. (2018). The effects of stress on thermoregulation and immune function. Brain, Behavior, and Immunity, 69, 97–105.

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© 2025 Emerald Labs Ltd

Subscribe to our newsletter

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Subscribe to our newsletter

© 2025 Emerald Labs Ltd

Subscribe to our newsletter

© 2025 Emerald Labs Ltd

Subscribe to our newsletter

© 2025 Emerald Labs Ltd

Subscribe to our newsletter

© 2025 Emerald Labs Ltd