Losing out on sleep creates a vicious cycle in your body, making you more prone to various factors that contribute to weight gain. We’ve put together some causes of this weight gain.
When you are sleep deprived, your stress hormones spike and they cause increase in appetite. The stress causes your body to produce serotonin to calm you down. The easiest way to do that is by eating high-fat, high-carb foods that produce a neurochemical reaction to create serotonin.
Experiments have shown that when you are lack of sleep, your will power is weakened and it gets harder to resist unhealthy food. When you are tired, you tend to go for whatever makes you feel better.
A lack of sleep also hinders your body’s ability to process the sugar. A study in Annals of Internal Medicine showed that losing sleep could make fat cells 30% less able to deal with insulin, causing the sugar to remain in your blood.
When you’re sleep deprived, your hormones go out of whack too, boosting levels of the hunger hormone ghrelin, which tells you when you’re hungry, and decreasing leptin, which signals satiety. The American Journal of Clinical Nutrition showed that sleep deprived participants ate an average of 300 more calories per day and another study of 225 people found that those has less than 4 hours sleep for five consecutive nights gained almost two pounds more than those who were in bed for about 10 hours, over the course of a week.
Another reason you might pack on pounds when you’re sleep deprived is because your body goes into survival mode. Sleeplessness can fool your body into thinking you’re in danger and your metabolism slows because your body is trying to maintain its resources, and it also wants more fuel.
We have listed some pretty damaging effects of sleep deprivation. Sleep is also crucial in the repair and restoration of the body. The rest that happens during sleep really rejuvenates your body for the next day. Other than preventing damage, sleep is necessary to reverse damages done to your body during the day.
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