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do you burn calories when you sleep
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Sleep-Related Disorders
Question #25872
46 days ago
85

do you burn calories when you sleep - #25872

Shreya

I am really curious about whether you burn calories when you sleep. A few nights ago, I was up late scrolling through some health tips and read something about how you still burn calories while snoozing, which got me thinking. Last week, I had this really awkward, restless night where I kept tossing and turning, and I woke up feeling like I ran a marathon or something. It made me wonder, do you burn calories when you sleep if you’re not resting soundly? I mean, I know my Fitbit said I hardly got any deep sleep, but surely I was still burning some energy, right? I eat a pretty balanced diet and try to workout regularly, so I find myself really interested in metabolism and how it works. Could it also depend on what stage of sleep you’re in? Like, do you burn more calories when you sleep deeply compared to lighter sleep? I just want to understand how this all connects because I’ve also heard people saying that sleep is vital for weight management. Can I say for sure that I burned calories when I did not feel like I slept well? Any insight would be really appreciated!

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Indeed, you burn calories while you are sleeping. The act of resting doesn’t entirely stop your body’s energy use; rather, your body continues to operate essential functions like breathing, circulating blood, and other metabolic processes, all of which require energy. On average, individuals burn around 50 to 100 calories per hour while sleeping, though the exact number can vary based on factors like body weight, basal metabolic rate (BMR), age, and overall health. Your BMR is the amount of energy expended while at rest in a neutrally temperate environment, and during sleep, your body mostly metabolizes fat as compared to waking hours. Interestingly, the amount of calories burned during different sleep stages can also vary. For example, during REM (rapid eye movement) sleep, the stage associated with dreaming, your brain is highly active and can burn more calories compared to non-REM sleep. While your overall caloric expenditure might increase on nights you are restless or go through sleep disruptions, consistently poor sleep can have more complex effects on your metabolism and hormones that regulate hunger and satiety. Poor sleep is associated with increased ghrelin (the hunger hormone) and decreased leptin (the hormone that signals fullness), potentially leading to weight gain over time by affecting appetite and energy balance. Moreover, there’s a growing body of evidence suggesting that adequate, quality sleep plays a pivotal role in weight management and metabolic health through its influence on these hormones and insulin sensitivity. To optimize your calorie burning during sleep and promote better overall metabolic health, it would be beneficial to aim for good sleep hygiene, which includes maintaining a regular sleep schedule, creating a comfortable sleep environment, and minimizing caffeine and heavy meals before bedtime. Maintaining these habits will not only help in burning calories efficiently but also contribute to a better overall quality of health.

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