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Have you ever asked yourself how many unhealthy calories you burn during sleep? Although you may think the answer is “not many,” there’s a chance you’re surprised to know that your body is at work burning calories even when you are at rest.

The number of calories you burn is related to different aspects, such as your body weight, your metabolic process, and the quality of sleep you get every single night.

Figuring Out the Number of Calories You Burn

An individual who weighs 130 pounds burns approximately 37 unhealthy calories per hour while sleeping. That does not always seem to be a lot. However, exponentially increase that by the suggested 7 to 9 hours of sleep professionals say you ought to get every night, which is actually a total potential of 266 to 342 unhealthy calories for resting. (Harvard Health Publishing)

The number of calories used improves according to your body weight. Therefore, an individual who weighs 175 pounds might burn 45 calories from fat an hour or between 322 and 414 unhealthy calories per night. And an individual who has a weight of 185 pounds would shed around 60 calories or between 393 and 505 unhealthy calories per night. (MayoClinic.Org Source 1)

How are all these figures calculated? It is all about the metabolic process. Metabolic process is actually a system by which your body transforms food into energy to be used in day to day activities. Even keeping the internal organs running, circulating blood, and breathing costs the body’s unhealthy calories. The BMR (basal metabolic rate), however, shows the number of calories a person burns every day at rest, or while he/she is non-active. This consists of sitting and sleeping.

In order to calculate the BMR,  an equation is used that factors in your weight, age, and sex using pounds for weight   and inches for height.

BMR for Men BMR for Women
66 + (6.2 x weight) + (12.7 x height) – (6.76 x age) 655.1 + (4.35 x weight) + (4.7 x height) – (4.7 x age)


A 36-year-old woman who has a weight of 136 pounds and she is 5 feet, 4 inches tall will be A 36-year-old man who has a weight of 175 pounds and he is 5 feet 14 inches tall will be
655.1 + (4.35 x 135) + (4.7 x 65) – (4.7 x 35) = 1,383 calories 66 + (6.2 x 175) + (12.7 x 71) – (6.76 x 35) = 1,816 calories

For instance:


The more size the body has, the unhealthier calories you will burn while sleeping, resting, and doing some other activities. Men have a tendency to use-up more calories while resting than women of the same bodyweight because men normally have a higher mass rate. Muscle mass uses up more calories while resting than stored fat does. (NCBI Source)

Things That Affect Weight Loss Process While Sleeping

Do you really want to improve your calorie-torching in night hours?

Research conducted recently found that if you skip the night of sleep, you may usually shed an extra 130 calories from fat over that period of time. Some individuals used up as many as an extra 170 calories from fat. However, before you skip your sleep, know that this is not the best way to drop some weight.

Skipping sleep with time may give rise to fat gain and being overweight. It increases particular hormone levels in your body, such as cortisol. This particular hormonal agent allows you to hold onto body fat. Not just that, but it can also increase the urge for food and cause a slower metabolic process.

What You Ought to Know?

Eating Until Midnight Does Not Slow Your Fat Burning Capacity

Eating before going to sleep can cause a short-lived increase in the fat burning capacity through what is called thermogenesis. And do not be worried about eating after 9 pm. Foods eaten after this particular time won’t amazingly make you gain more weight – it is actually the mindless munching that does. Having said that, consuming large meals before sleeping may make it more difficult to rest. (EatRight.Org Source)

Workout on A Daily Basis, Including Weight Training

Having more muscle tissue, in general, can help you use-up more calories, even while you are resting. Consider getting some physical exercise on a daily basis, particularly resistance training. In case you have problems sleeping at night, try getting into a workout a few hours before going to sleep. (Mayo Clinic Source 2)

Reducing Your Weight Can Help

Reducing your weight can help improve your metabolic process at the same time. Body fat burns a lot fewer calories than muscle mass while sleeping.

If you are obese, think about making a scheduled appointment with your health practitioner or nutritionist to discuss a proper goal and a strategy to get there. (Mayo Clinic Source 3)

Caffeine Intake Can Create A Short-Term Improvement

Caffeine intake can improve metabolic process a bit. Simultaneously, it’s not been proven to aid with long-term weight reduction. And consuming caffeinated drinks before going to sleep can make it hard to acquire a good night’s sleep. (Mayo Clinic Source 4)

Use Health Supplements Carefully

Dietary supplements that claim to improve metabolic process ought to be used with extreme caution or not in any way. Some may have unsafe substances. A whole lot worse, and some of them may not work. Always discuss about dietary supplements you’re planning to use with your health practitioner.

Particular Health Problems Can Slow the Metabolic Process

Specific health conditions, such as Cushing affliction and thyroid problems, may slow the metabolic rate. What this means is you will feel less calorie shed at all hours and can even hold onto or put on more weight.


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