Written by Bobby Bushnell
Sleep is involved in many different processes within the body. Sleep helps regulate mood, it helps heal and repair your heart and blood vessels, it helps your body produce more HGH which will aid muscle and help you burn more fat, but most importantly, it regulates your hormones. Lack of sleep can cause your cortisol levels to rise which will tempt you to buy that large sugary latte in the morning to wake you up and it can cause you to eat bigger portions.
Sleeping less than 8 hours will increase your appetite due to the increase in your cortisol levels. Sleep impacts your hunger and fullness hormones such as ghrelin and leptin. Ghrelin signals to your brain that it’s time to eat and when you’re sleep deprived, your body makes more ghrelin. Leptin tells your brain that you are full or have eaten enough food. Your body doesn’t make enough leptin when you don’t get a full nights rest. The hormone called insulin turns sugar, starches, and other foods into energy and lack of sleep causes your insulin levels to drop. When your body doesn’t respond properly to insulin, your body has trouble processing fats from your bloodstream, so it ends up storing them as fat. Sleep affects not only your weight but almost all your body’s functions. So turn out the lights and get your 8 hours.