1. When you go to sleep, you don’t realize it. There’s no moment when you’re lying in bed and you know you’re about to fall asleep, and even after you wake up, you can’t remember what you were thinking about right before conking out. Why?
2. How do our brains know when to wake up? What chemical reaction is finishing that makes the body realize that it doesn’t need any more sleep?
In: 7
Brain is tired, brain gets weak, memory is made by brain, brain doesnt care about memory, brain rests.
Brain is rested, brain must work for body to live, brain gets up.
No idea what chemical reaction is involves but theres the literal ELI5.
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