SLEEP
From NeuroRehab.wiki
SUMMARY
1. During sleep there is decreased sensitivity to the external environment & increased activity of the parasympathetic system.
2. Sleep comprises alternating REM & NREM states that cycle at a rhythm of 90 minutes.
2. Sleep of 8 to 8.5 hours is considered restorative in adults.
3. Sleep is entered through NREM, the NREM-REM cycle occurs 3-6x during an 8-hour period.
Reference(s)
Cifu, D.X. (2020). Braddom’s physical medicine and rehabilitation. Elsevier. Get it on Amazon.
Cuccurullo, S. (2019). Physical medicine and rehabilitation board review. New York: Demosmedical. Get it on Amazon.
O’Young, B., Young, M.A. and Stiens, S.A. (2008). Physical Medicine and Rehabilitation Secrets. Mosby. Get it on Amazon.
