1. Periods and Functions of Sleep
The progression of NREM sleep to REM sleep occurs cyclically throughout the duration of a nights' sleep with a healthy individual entering REM sleep every 90 minutes up to a total of 4-5 times per night. ... Secondly, such disturbances should become progressively worse as wakefulness continues and finally, the eventual cessation of deprivation should result in the individual experiencing an increase in sleep duration for the following night (Pinel, 1999). ...
- Word Count: 3321
- Approx Pages: 13
- Has Bibliography
- Grade Level: Graduate