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#1
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I saw this on lifehacker. The idea is it takes about 90 minutes to cycle through all 5 phases of sleep. So set your clock to wake you at the end of a sleep cycle and you'll wake more rested. I wake in the middle of the night a lot so now I am noticing it is about 1.5 or 3 (+|-) hours after I go to sleep. Kind of cool!
This is a calculator: sleepyti.me bedtime calculator Sent from my iPad using Tapatalk |
![]() Anonymous100108
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![]() Pikku Myy, Rose76
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#2
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That's interesting. I'm going to keep track and see if when I wake up is some multiple of 90 minutes.
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![]() Anonymous100108
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