How Many Calories Do You Burn Sleeping

How Many Calories Do You Burn Sleeping?

Sleep is an essential part of our daily routine, allowing our bodies and minds to recharge and rejuvenate. While we often focus on the importance of sleep for our overall well-being, have you ever wondered how many calories you burn while sleeping? In this article, we will explore the fascinating world of sleep metabolism and answer some common questions related to calorie burn during sleep.

Calories Burned During Sleep

The number of calories burned during sleep varies depending on several factors, including age, weight, sex, and overall health. On average, an adult burns around 50-100 calories per hour of sleep. This number may seem low compared to other activities, but it is important to remember that sleep is a passive state where our bodies are not engaged in any physical activity.

Factors That Influence Calorie Burn During Sleep

1. Basal Metabolic Rate (BMR): BMR is the number of calories your body needs to perform basic functions while at rest. It accounts for the majority of calories burned during sleep.

2. Muscle Mass: Individuals with higher muscle mass tend to burn more calories, even at rest. This means that individuals with more muscle mass may burn slightly more calories while sleeping.

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3. Bodyweight: Generally, individuals with higher bodyweight require more calories to perform basic functions, including sleep metabolism.

4. Age: Metabolism tends to slow down with age, leading to a decrease in calorie burn during sleep.

5. Sex: Men typically have a higher metabolic rate compared to women due to differences in body composition, leading to slightly more calories burned during sleep.

Common Questions & Answers

1. Does sleeping burn calories?

Yes, sleeping burns calories, although the number of calories burned is relatively low compared to other activities.

2. How many calories do you burn sleeping for 8 hours?

On average, an adult burns approximately 400-800 calories during 8 hours of sleep.

3. Does sleeping on an empty stomach burn more calories?

Sleeping on an empty stomach does not significantly impact calorie burn during sleep. However, maintaining a balanced diet is essential for overall health and metabolism.

4. Can sleeping more help with weight loss?

While sleep is crucial for weight management, simply sleeping more will not directly lead to weight loss. A healthy diet and regular physical activity are essential for sustainable weight loss.

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5. Can sleeping less affect calorie burn?

Sleep deprivation can negatively impact your metabolism, leading to a decrease in calorie burn during sleep.

6. Do dreams affect calorie burn?

Dreaming does not have a significant impact on calorie burn during sleep.

7. Does the position you sleep in affect calorie burn?

The position you sleep in does not have a significant impact on calorie burn during sleep. However, certain positions may affect the quality of your sleep, which can indirectly influence your metabolism.

8. Can sleeping in a cold room burn more calories?

Sleeping in a cold room may slightly increase calorie burn, as your body works to maintain its core temperature. However, the impact on overall calorie burn is minimal.

9. Can drinking water before bed increase calorie burn?

While drinking water before bed can slightly increase your metabolic rate, the impact on calorie burn during sleep is minimal.

10. Does the quality of sleep affect calorie burn?

Yes, the quality of sleep can impact your metabolism. Poor sleep can lead to hormonal imbalances, increased appetite, and a decrease in calorie burn.

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11. Can sleeping pills affect calorie burn?

Sleeping pills can have various effects on metabolism, including a decrease in overall calorie burn. It is essential to consult a healthcare professional before using sleeping pills regularly.

12. Do naps burn calories?

Yes, napping can burn calories, although the number is relatively low compared to other activities.

13. Can sleep apnea affect calorie burn during sleep?

Sleep apnea can disrupt your sleep, leading to a decrease in calorie burn. Treating sleep apnea can improve your overall metabolic rate.

14. Can exercise before bed increase calorie burn during sleep?

Exercise before bed can increase your metabolic rate, leading to a slight increase in calorie burn during sleep. However, vigorous exercise too close to bedtime may negatively impact the quality of your sleep.


While the number of calories burned during sleep may seem insignificant compared to other activities, sleep is a vital component of overall health and well-being. Focusing on getting enough quality sleep, along with maintaining a healthy lifestyle, will have a more significant impact on your overall metabolism and weight management.

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