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.
Release of Acetylcholine During the Sleep–Waking Cycle
The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v
Cyanosis as shown here at the patient’s fingertips results from a lack of oxygen in the tissues
Typical Night’s Sleep for a Young Adult
An electropherogram showing the results of a DNA profile analysis
Results of mixing blood of the same or differing ABO blood types