i have not done the NS psychology practice book, but i can try my best here. REM sleep deprivation leads to an increase in the number of attempts to go into the REM stage during sleep. since these non-REM sleep participants have been deprived of REM sleep, their bodies will increase their attempts to achieve the REM stage; for simplicity here, lets say we monitor the sleep of an individual for 3 nights (for an 8 hour cycle): night #1- a normal cycle of sleep: 4 attempts to enter REM sleep, 4 attempts achieved during the cycle. night #2- REM sleep deprivation: 2 attempts to enter REM sleep, 2 attempts achieved during the cycle, but we want 4 attempts because that is/occurs in a normal cycle. night #3- 6 attempts to enter REM sleep :- the normal cycle has 4 attempts and there are 2 additional attempts due to only the 2 attempts and 2 achievements during night #2. also, on night #3, one will experience REM rebound - an increase in the time spent during the REM stage. the explanation can vary; for example, night #2 may be the result of only 4 hours of sleep instead of 8 or simply less attempts in 8 hours. my answer may not be the best, but hopefully it cleared some of the confusion.
for those of u guys who have taken next step psychology practice book. Why is A THE ANSWER there is no evidence from that based on the graph 🙁 . Why do non rem sleep participant enter rem earlier ?
