2015年7月6日月曜日

I'll adjust my sleeping cycle

I found my sleeping cycle is 23 hours. So I go to bed and wake up about 1 hour earlier.

Yesterday, I woke up at 5:30 AM. And I would wake up at 4:30 this morning. And I did so. Actually I tried adjusting sleeping cycle to go to bed later than usual last night. But I can't.

Anyone teach me how to adjust sleeping cycle.

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