Asked by dilip kumar on May 05, 2024

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From what stage of sleep are people typically most difficult to arouse?

A) NREM,alpha waves
B) NREM,sleep spindles
C) NREM,delta waves
D) REM

NREM

Refers to the stages of sleep that are not accompanied by rapid eye movements, important for physical restoration and memory consolidation.

Delta Waves

These are slow brain waves that are most prominent during deep sleep, indicating a stage of deep rest and regeneration.

Alpha Waves

Brain waves detected by EEG that represent a state of relaxation with eyes closed, typically associated with calm wakefulness.

  • Elucidate the crucial role sleep plays in maintaining physiological and psychological health.
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ZK
Zybrea KnightMay 06, 2024
Final Answer :
C
Explanation :
NREM sleep is typically divided into three stages, with Stage 3 being characterized by the presence of delta waves. This is also known as slow-wave sleep, and it is during this stage that people are most deeply asleep and difficult to arouse.