College

How long does non-REM sleep last?

A. 60-90 minutes
B. 80-120 minutes
C. 90-110 minutes
D. 90-120 minutes

Answer :

Final answer:

Non-REM sleep typically lasts for about 90-120 minutes during a sleep cycle.


Explanation:

Non-REM sleep, also known as NREM sleep, is a stage of sleep that is characterized by low levels of brain activity and deep relaxation. It is divided into four stages: N1, N2, N3, and N4. NREM sleep typically lasts for about 90-120 minutes during a full sleep cycle.


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