Match Each Term with the Appropriate Phrase

Essay

Match each term with the appropriate phrase:
1. REM periods
2. alpha
3. Stage 4 sleep
4. Stage 1 sleep
a. delta waves and sleepwalking
b. irregular brain waves and light sleep
c. relaxed but awake
d. active brain but inactive muscles
B. Sleep is necessary for normal (a) physical and mental functioning, (b) mental functioning but not physical functioning, (c) physical functioning but not mental functioning
C. Most people need more than six hours of sleep a night.
D. Only REM sleep has been associated with dreaming and memory consolidation.