Asked by Alisha Wright on Apr 26, 2024

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What are sleep stages 3 and 4 known as

A)  slow-wave sleep
B)  high-amplitude sleep 
C)  fast-wave sleep
D)  low-amplitude sleep

Slow-Wave Sleep

The deepest phase of non-REM sleep, characterized by slow brain waves and associated with deep physical relaxation and restoration.

Sleep Stages

The different phases of sleep that cycle throughout the night, including Rapid Eye Movement (REM) and various stages of non-REM sleep, each characterized by distinct brain waves and physiological responses.

  • Understand the specific elements and transitions of the sleep cycle, inclusive of REM and NREM sleep.
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JS
jimmy salvatoreApr 27, 2024
Final Answer :
A
Explanation :
Sleep stages 3 and 4 are known as slow-wave sleep because brain waves during these stages show a slow frequency and high amplitude. This type of sleep is also sometimes called deep sleep or delta sleep.