Why can you feel awake and ready to go after only 3 hours of sleep but feel overtired and exhausted after sleeping for 10 hours?
In: Biology
Most people have a sleep cycle that’s around 90 minutes long, so sleeping for a multiple of this means that you wake up during the lightest part of the sleep cycle. Waking up from deep sleep is hard, and can leave you feeling sleepy for the rest of the day. Waking from light sleep is much easier, because your body is more awake.
If I had the choice between eight hours sleep or seven & a half hours, I’d go for seven & a half.
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