STATES OF CONSCIOUSNESS
SLEEP PATTERNS AND SLEEP THEORIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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After how many minutes, approximately, does the typical sleep pattern repeat?
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30
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60
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90
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120
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Explanation:
Detailed explanation-1: -Usually, REM sleep happens 90 minutes after you fall asleep. The first period of REM typically lasts 10 minutes. Each of your later REM stages gets longer, and the final one may last up to an hour.
Detailed explanation-2: -Sleep cycles across the night are only approximately 90 minutes in length. There are lots of individual differences in cycle length and the variation may be from around 60 to 110 minutes.
Detailed explanation-3: -On average, adults go through 4–6 sleep cycles per night and spend 90 minutes in each sleep cycle stage.
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