Most selective sleep-deprivation studies have been studies of ...

[ahriuashd]

Most selective sleep-deprivation studies have been studies of __________ deprivation.
 
  A) REM-sleep
  B) NREM-sleep
  C) stage 2 sleep
  D) stage 3 sleep
  E) stage 4 sleep

Question 2

Volunteers who are allowed to sleep without interruption after several nights of REM deprivation tend to get
 
  A) almost no REM sleep.
  B) less REM sleep than usual.
  C) their normal amount of REM sleep.
  D) significantly more REM sleep than usual.
  E) sleep that consists entirely of REM sleep for several nights.

[JCABRERA33]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: D

[ahriuashd]

TYSM

[isabelt_18]

Gracias!