veryone says you should get eight hours of sleep a night, but is it really that important?
Spoiler alert: it is. While you’re sleeping, your body is still working hard to keep you healthy. Keep reading to learn about the surprising things that happen while you’re floating off to dreamland.
Your immune system kicks into high gear when you’re getting those zzz’s.
Research suggests that the immune system increases production of certain proteins that fight disease during sleep. So if you’re starting to get sick, call it an early night and your body will thank you.
Brain activity in the cortex drops by about 40 percent in the first phases of sleep.
During the later stages of the night, brain activity increases.
During REM sleep, your muscles “are relaxed to a point of virtual paralysis.”
But while your body is still, this is when your most vivid dreams occur.
Sleep is prime time for energy conservation, repair, and growth.
Your adrenaline levels drop, and human growth hormone is produced, which helps grow and maintain your muscles and tissue.
Your body temperature falls.
While you sleep, your body temperature drops, along with certain hormones like adrenaline. This makes it easier to sleep deeply and gives your body a chance to rebuild.
Keep reading to learn the truth about “beauty sleep.”