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Snowcat [4.5K]
3 years ago
7

Which factor has a positive effect on the quality of sleep?A. Sleeping in a quiet environment.B. Sleeping hours that synchronize

with the circadian rhythm.C. Spending additional time in stage II of the sleep cycle.D. Sleeping in a dark environment
Biology
1 answer:
drek231 [11]3 years ago
5 0

Answer:

A. Sleeping in a quiet environment

Explanation:

As it's free from stress

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