Multiple Choice
During which stage of sleep are sleep spindles most commonly observed?
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5. Consciousness and Sleep
Sleep
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Sleep is divided into which two broad categories?
A
Alpha sleep and beta sleep
B
Rapid Eye Movement (REM) sleep and Non-Rapid Eye Movement (NREM) sleep
C
Light sleep and deep sleep
D
Stage 1 sleep and Stage 2 sleep
Verified step by step guidance1
Understand that sleep is broadly categorized based on brain activity and physiological characteristics during different phases.
Recognize that the two main categories of sleep are Rapid Eye Movement (REM) sleep and Non-Rapid Eye Movement (NREM) sleep.
REM sleep is characterized by rapid movement of the eyes, vivid dreaming, and brain activity similar to wakefulness.
NREM sleep includes several stages (Stage 1, Stage 2, and deep sleep stages) and is generally associated with slower brain waves and physical restoration.
Therefore, the correct broad categories of sleep are REM sleep and NREM sleep, which encompass the various stages of sleep.
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