Research suggests that the two most basic states of sleep are
A. Alpha sleep and beta sleep.
B. Light sleep and deep sleep.
C. REM sleep and non-REM sleep.
D. REM sleep and paradoxical sleep.
Answer:C
Research suggests that the two most basic states of sleep are
A. Alpha sleep and beta sleep. B. Light sleep and deep sleep. C. REM sleep and non-REM sleep. D. REM sleep and paradoxical sleep.