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I am using an app on my phone that measures my sleeping phase and tries to wake me up from sleep at the best possible time within predefined period (30 minutes). I (in general) sleep 7 hours a day, and I use 30 minutes wake up phase, which suppose to wake me up at the best time within this 30 minute period.

My questions is:

Is it better to use intelligent wake up phase and being awakened by my phone(at the worse scenario) 30 minutes before I would wake up otherwise, or to sleep 30 minutes more, and risk that I will be woken up from deep sleep by the alarm?

Thank you for any suggestion.

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1 Answer 1

up vote 2 down vote accepted

I believe that the latter is correct. It might be better to sleep 30 minutes more (or less sleep even) coming closer to a 90 minutes sleep cycle instead of dowsing on or off for 30 minutes.

There are many apps that can help you calculate the 'correct' time to sleep.

You can do this yourself easily though!

As a rule of thumb you'd have to sleep in 90 minute cycles.

So that would be:

  • 1.5 hours of sleep (a nap)
  • 3 hours of sleep (a long nap)
  • 4.5 hours of sleep (short sleep)
  • 6 hours of sleep (min. good sleep)
  • 7.5 hours of sleep (good sleep)
  • 9 hours of sleep (long sleep)
  • 10.5 hours of sleep (intense sleep)
  • 12 hours of sleep (deep sleep)
  • 13.5 hours of sleep (very deep sleep)

Also add the time you need to actually fall asleep (average is about 14 minutes, add more minutes if you are still quite awake).

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