Jack_ |
26-03-2013 10:24 PM |
Quote:
Originally Posted by Salman!
(Post 5908283)
I don't understand how it analyses your sleep?
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It uses the iPhone's accelerometer (which basically powers movement and knows its position in the air...like you know in a game when you move it and the action on the screen will move, well that's what the accelerometer powers I think). You lay it screen face down on the bed near to you, and it'll pick up on the tiniest of movements through the mattress that you make during the night and analyse the stages of sleep you're in through that (as I think during REM/deep sleep your body and muscles are essentially paralysed and you make little movement).
Quote:
Originally Posted by Drew.
(Post 5908288)
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Oh I saw that one too, might give it a try actually :amazed:
Quote:
Originally Posted by Glenn
(Post 5908294)
It wakes you up slowly. If you set it for 7am it will begin to wake you up at half six.
Apparently you feel better for being woken up slowly than abruptly.
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Basically you go through 4/5 stages of sleep during a night (and that cycle is repeated several times every 90 minutes), ranging from awake, light sleep to REM (rapid eye movement, which is the stage where generally you dream) which is deep sleep. The problem with most standard alarm clocks is that it'll wake you up regardless of what stage of sleep you're in, and if you're in the middle of REM you'll end up feeling very tired and groggy, if you're out of REM and are woken up while 'awake'/in light sleep you'll wake up feeling refreshed. So the app is meant to work out when you're in the lightest possible stage of sleep, and then wake you up then.
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