In order to block fat-storage hormones and allow the full release of fat-burning hormones, you need to get at least seven hours of sleep a night!
A good night’s sleep is a basic necessity for healthy hormone balance. Once you dip below seven hours a night, you are increasing your risk of diabetes, cancer, heart disease, stroke, depression and obesity.
Sleep researchers break down sleep into five stages. Stage 4 slow-wave sleep, which begins about an hour after we fall asleep, is when we release our greatest pulses of growth hormone, the hormone that prompts the body to burn stored fat.
Even just two nights of bad sleep will cut your satiety hormone leptin by 20 percent and increase your hunger hormone ghrelin by 30 percent. That makes you much more likely to snack on high-carb treats, which couldn’t come at a worse time for your insulin levels.
In a recent study, University of Chicago researchers found that just three nights of poor sleep made the bodies of young, healthy test subjects 25 percent less sensitive to insulin. This level of insulin resistance is comparable to that brought on by carrying 20 to 30 extra pounds.
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