CCSH Prep Questions and Answers Already Passed

16-18 hours per day; sleep is polyphasic. Newborns 14-15 hours and levels off around that value. Sleep becomes less distributed, with primary sleep at night and nap(s) during the day. 16 weeks sleep continues to decline; duration is 10-12 hours ages 2-5 years sleep becomes monophasic; duration about 10 hours age 10 sleep duration declines sharply to 8-9 hours; circadian phase delay adolescence, sleep duration is relatively stable around 7-8 hours adulthoodsleep time decreases and a biphasic pattern may re-emerge; circadian phase advance older age With aging there is a ______ in rhythm amplitude - circadian, endocrine and metabolic reduction From early adulthood to midlife N3 _____, replaced by N1, N2 sleep, with no significant decrease in REM or increased sleep fragmentation. decreases _____ in growth hormone (GH) parallels decrease in SW3 (N3) from midlife to late life. Decrease In late life there is _____ wake at the expense of both NREM and R