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#5 - ruhroe
Reply +4
(09/25/2013) [-]
The best sleep intervals are 30 minutes, 60 minutes, and 90 minutes. If you take a nap that is 45 minutes long you will feel a lot crappier than you would if you just took a 30 minute nap, because you are on a deeper sleep level and have a harder time adjusting to being up.