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It depends on the person, and the sleep, but the first stage averages at about 90 minutes, with stages 2-4 taking on average 100-120 minutes. The cycle generally proceeds from NREM (non-REM) stages 1-3 to REM (stage 4), back down to NREM, and back to REM, several times a night, generally ending in an REM stage before awakening.
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How long does it take to go through the sleep cycle?
Depends on the age of the person, for adults it's approximately seven to eight hours per night. However you do have cycles during your sleep, these are "REM" and "non REM" sleep. These cycles last roughly ninety minutes each, not a great idea to wake abruptly from REM sleep cycle as this can cause you to wake up like the Gringe!
How long do business cycles last?
It varies, but there are short-term cycles that lasts probaly 36 moths or so. But there are long term cycles that some say swing in long about 50 year cycles, but these thing vary.
How long is a typical sleep cycle in which a sleeper progresses through some or all of the sleep stages?
90
How long does a typical pregnancy last?
40 weeks from the last period.
How long does a typical acupuncture session last?
Accupuncture is a great alternative treatment. The typical session will last 45 minutes.
How long does an ant sleep?
They don't technically "sleep" in the way that we do, you know, like going into an unconcious state and undergoing all the cycles of sleep. They just rest, according to most research.
About how long does a typical Polo game last?
2 hours
How long do typical commercial radioactive alpha-particle sources last?
they last for about 2 minutes
How long does the vegetative state of marijuana last?
That is up to you (the grower) or the seasons according to light cycles.
How long does a typical japan earthquake last?
5 million years
How long does a typical session congress last?
until the work is completed
How long is the menstrial cycle of female?
The typical menstrual cycle runs for 28 days. However - individuals may experience shorter or longer cycles.
