The rebound phenomenon noted after deprivation of REM sleep ...

[yoooooman]

The rebound phenomenon noted after deprivation of REM sleep suggests that
 
  A) there is a physiological need for stage 1 slow-wave sleep.
  B) the function of REM sleep is to rest the brain.
  C) emotional wellbeing requires slow-wave sleep.
  D) there is a physiological need for a certain amount of REM sleep.
  E) dreaming is not a function of REM sleep.

Question 2

Healthy subjects who spent six weeks resting in bed exhibited
 
  A) no change in REM or slow-wave sleep patterns.
  B) REM sleep patterns similar to those of depressed subjects.
  C) decreased slow-wave sleep.
  D) a significant reduction in total sleep time.
  E) signs of REM-sleep behavior disorder.

[Silverbeard98]

Answer to Question 1

Answer: D
Rationale: The rebound phenomenon noted after deprivation of REM sleep suggests that there is a physiological need for a certain amount of REM sleep.

Answer to Question 2

Answer: A

[yoooooman]

Great answer, keep it coming

[AngeliqueG]

Gracias!