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jcs007's avatar

How can you determine the exact amount of sleep you need a night?

Asked by jcs007 (1770points) March 3rd, 2008 from iPhone

I know 8 hours is the average, but it is different for everyone. When I think I have enough sleep, I end up dozing off during the middle of the day. When I sleep for a vey long time, I feel sluggish. Also, I read somewhere that if you are woken up while you are in R.E.M. sleep (deep sleep), you’ll feel groggy the whole day. Basically, I’m wondering how you can predetermine the ideal amount of sleep you need a night.

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4 Answers

ironhiway's avatar

Sleep is not the only factor, what you eat, your internal body clock, exercise, what your doing.

I go to sleep wake up when I’m ready or have to be somewhere. I only have trouble when working shifts where I have to be to work at 4 or 5 in the morning. Also I’ve heard a 10 minute power nap mid day can do wonders.

segdeha's avatar

I read once that your body sleeps in 1.5 hour rhythms. So, I try to time my sleep in multiples of that (plus an extra 20 minutes or so to fall asleep). For example, tonight, I’ll probably end up going to sleep around Midnight expecting to wake up around 6:15 a.m.

PrancingUrchin's avatar

@segheha – youre correct

The body/mind goes through continual 90-minute seqences of sleep. You have around 4 or 5 stages of sleep during that sequence. One of which being REM where you are in a deep sleep but your mind is working as though you are awake as read by an EEG. Much research has been done on the sleeping mind you should read up on it. Its pretty interesting.

wadeo's avatar

Pretty good answers so thus far, I only get about 6.5 hours a night and feel fine most of the time. Bed at 10pm and Wake at 4:30am so that 90min would be about right.

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