How Many Sleep Cycles Typically Occur During a Night's Sleep

question 24

Multiple Choice

How many sleep cycles typically occur during a night's sleep

• A) 1
• B) 2 
• C) 4
• D) 6

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Definitions:

Hallucination

A perception in the absence of external stimulus that has qualities of real perception, often involving seeing, hearing, or feeling something that isn't there.

Posttraumatic Stress Disorder

A psychiatric disorder that may occur in people who have experienced or witnessed a traumatic event, characterized by flashbacks, nightmares, and severe anxiety.

Hippocampus

A brain structure involved in the storage of new information in memory.

Amygdala

Part of the limbic system, playing a key role in processing emotions and memory association.