People spend almost one-third of their lives sleeping. Good-quality sleep plays a very important role in having a healthy life.
What Happens During Sleep?
The body relaxes, restores, and rebuilds itself during sleep. After having a good night, people wake up feeling refreshed. This is because many things take place during sleep that restore and rebuild the body. For example, during sleep, the body produces more growth hormone, which is important in burning fat and developing lean muscles.
Sleep is also the time when the body goes through a complicated regulation of immune system functions. Studies show that when people are sleep-deprived or have their sleep chronically restricted, their T-cells go down, and their inflammatory cytokines go up.
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Nearly eight out of every 10 people will have low 