Lets say I sleep at 1am and wake up at 9am, why my body reacts negatively compared to sleep at 9 pm and wake up at 4 am. Both are 8 hours of sleeping time. How can my body knows it is past 12pm and decides to give me a bad day because of it.
In: Biology
If you go to sleep early you always get as much sleep as you need but if you go to sleep late you might have to get up early for something which makes your sleeping period shorter. Sleeping early gives you more slack in your schedule.
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