Multiple Choice
Predators such as lions sleep _____ their prey, the gazelle.
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5. Consciousness and Sleep
Sleep
Multiple Choice
Which of the following statements about REM sleep is true?
A
It is a much deeper, more restful kind of sleep than non-REM sleep.
B
It is the stage of sleep in which the heart beats the slowest.
C
It involves a lot of movement and thrashing as people have vivid dreams.
D
It is when 90 percent of dreams occur.
Verified step by step guidance1
Understand the characteristics of REM sleep: REM (Rapid Eye Movement) sleep is a unique phase of sleep characterized by rapid movement of the eyes, low muscle tone, and vivid dreams.
Differentiate between REM and non-REM sleep: Non-REM sleep is generally considered to be deeper and more restful, whereas REM sleep is associated with increased brain activity and dreaming.
Consider physiological changes during REM sleep: During REM sleep, the heart rate can be irregular, and the body is typically in a state of atonia, meaning there is minimal movement.
Recognize the role of REM sleep in dreaming: REM sleep is the stage where the majority of dreaming occurs, with approximately 90% of dreams happening during this phase.
Evaluate the given statements: Compare each statement with the characteristics of REM sleep to determine which one accurately describes this sleep stage.
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