Which of the following conclusions has been supported by the results of REM sleep research?
A. Depriving someone of REM sleep leads to severe psychological disturbances.
B. Reduced REM sleep is associated with emotional disorders.
C. Greater than average amounts of REM sleep indicate psychological problems.
D. Without REM sleep it is impossible to perform stressful tasks.
Question 2
Which of the following is true about REM sleep?
A. We are more likely to dream during REM sleep than at any other time during the night.
B. Adults spend most of their sleeping hours in REM sleep.
C. Muscles are more tense and active during REM sleep than non REM sleep.
D. Only about half of all adults experience REM sleep.
Research Methods
Sleep Apnea
Stages of Sleep
Stages of Sleep in Cats: A cat in non-REM sleep remains upright
Results from Kliegl's study show that older adults can learn complex information-processing
An electropherogram showing the results of a DNA profile analysis