How do brains keep track of sleep debt?

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For example: If you normally sleep 7 hours per day and one day you only get 5 hours of sleep, chances are that the next day when you fall sleep you will sleep for around 9 hours. Or if you only sleep for a normal 7 hours that day you will still need more than 7 hours the day after that to feel fully rested.

How do brains keep track of how much sleep they lost and need to make up for?

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6 Answers

Anonymous 0 Comments

It doesn’t. You can never really gain back damage you do if you’ve submitted yourself to significant periods of less-than-adequate sleep. But you can sleep well from here on out and prevent any more negative effects!

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