Asked by Faith Santa cruz on May 04, 2024
Verified
Which statement is true of sleep cycles in normal sleep?
A) They last about 90 minutes, have 1 or more stages of NREM sleep followed by REM sleep.
B) They last about 90 minutes and each consists of 1 or more stages of REM sleep.
C) They last about 60 minutes, have 1 stage of NREM sleep followed by REM sleep.
D) They last about 90 minutes and each consist of REM sleep followed by 4 stages of NREM sleep.
Sleep Cycles
The progression through various stages of non-REM and REM sleep that repeats cyclically throughout a typical night's rest.
NREM Sleep
The period of sleep outside of REM sleep, characterized by slower brain waves, reduced eye movement, and lack of dreaming, which is associated with physical recovery and memory consolidation.
REM Sleep
Rapid Eye Movement sleep, a sleep stage characterized by eye movements, increased brain activity, and vivid dreams.
- Discriminate between the specific attributes of REM sleep and NREM sleep stages.
Verified Answer
FS
Frank SapanaraMay 08, 2024
Final Answer :
A
Explanation :
Sleep cycles typically last about 90 minutes and consist of one or more stages of NREM (non-rapid eye movement) sleep, followed by a stage of REM (rapid eye movement) sleep. This cycle repeats throughout the night, with the length of each stage and the overall duration of each cycle varying from person to person.
Learning Objectives
- Discriminate between the specific attributes of REM sleep and NREM sleep stages.