What percentage of sleep does REM sleep take up in adults?
15%-20%
20-25%
25%-30%
30%-35%
Where does most neural activity originate during REM sleep?
The brain stem
The hippocampus
The left hemisphere of the brain
The right hemisphere of the brain
What differentiates rapid eye movements from normal eye movements?
They are rapid
They are rapid, longer in duration, and more likely to loop back to their starting point
They are rapid and longer in duration
They are rapid, shorter in duration, and more likely to loop back to their starting point
What happens to the body during REM sleep?
Nothing changes
Breathing rate and cardiac output slow
The body basically suspends homeostasis; breathing rate, arterial pressure, heart rate, and cardiac output become irregular
The body basically suspends homeostasis ; breathing rate, arterial pressure, heart rate, cardiac output, and blood flow speed become irregular
How does REM sleep affect dreaming?
Sleepers awakened from it are able to give longer more descriptive dream reports
Sleepers awakened from it give more accurate reports about their dreams
Sleepers awakened from it have weirder dreams
Sleepers awakened from it give less accurate dream reports
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