When we go to sleep we don’t really know what’s going on inside our bodies or minds, but it turns out there’s a lot happening. Today here at Bestie we’re gonna take a peek behind the curtain and uncover what your body does while you’re under the covers.
Check out our video on how blue light from screens affects your sleep: • Video
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Summary:
Some people claim that they can even function pretty well on only a few hours of sleep a night, but it turns out your body needs this time to recharge, and sort of reset from the previous day. Sleep isn’t something that happens quickly, it sort of happens in stages, and there’s actually a lot that goes on once you close your eyes.
You actually will go through most of the stages of sleep three to five times every night. Which is why it's known as a sleep cycle, since you cycle through these phases many times.
Dozing off phase is that phase when someone says "oh you were asleep" and your response is likely "No I wasn't!" You're not alone in saying this, 80% of people will say they weren't sleeping if woken up suddenly from this dozing off stage. As you progress into the deeper stages, your brain kind of disconnects from the outside world and it becomes harder to wake from.
Researchers seem to agree that stage 2 can officially be classified as “sleep”. We’re not quite into REM sleep yet, but we’re getting closer. This part of the sleep cycle is when your brain starts to calm down, your breathing gradually slows, and your body temperature will drop. You can still be woken up from this stage pretty easily until about 90 minutes or so have passed when you’ll enter REM sleep.
When you sleep, your sympathetic nervous system finally gets a chance to relax and studies tell us that this is one very important part of sleep and how it relates to our overall health. Giving your nervous system some time off can really help combat the negative health effects sleep deprivation can cause like high blood pressure, and heart disease.
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