_____ in growth hormone (GH) parallels decrease in SW3 (N3) from midlife to late life. -
✔️✔️Decrease
Tricyclics - ✔️✔️Tmax (Hrs) 2.5 -10
T1/2 (Hrs) 16-80
Sleep Latency v
Sleep Efficiency ^
%SWS ^
% REM v
SWS/N3 decreasing over successive NREM sleep cycles reflects this process, with
higher N3 after sleep deprivation - ✔️✔️Process S
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 - ✔️✔️adulthood
sleep 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 late life there is _____ wake at the
expense of both NREM and REM sleep. - ✔️✔️increased
,Heart rate in REM is
Regular or irregular - ✔️✔️irregular
Heart rate in NREM is
Regular or irregular ? - ✔️✔️Regular
Respiratory rate in REM is
Regular or irregular ? - ✔️✔️irregular
Respiratory rate in NREM is
Regular or irregular ? - ✔️✔️Regular
Blood pressure in REM is
Regular or variable? - ✔️✔️variable
Blood pressure in NREM is
Regular or variable? - ✔️✔️Regular
Skeletal muscle tone in REM is
Preserved or absent? - ✔️✔️absent
Skeletal muscle tone in NREM is
Preserved or absent? - ✔️✔️Preserved
Brain 02 consumption in REM is
Reduced or increased? - ✔️✔️increased
Brain 02 consumption in NREM is
Reduced or increased? - ✔️✔️Reduced
Response to Co2 in REM is
, Same as W or depressed? - ✔️✔️depressed
Response to Co2 in NREM is
Same as W or depressed? - ✔️✔️Same as W
Response to O2 in REM is
Same as W or depressed? - ✔️✔️Same as W
Response to O2 in NREM is
Same as W or depressed? - ✔️✔️Same as W
Penile tumescence, vaginal engorgement in REM is
Infrequent or frequent? - ✔️✔️frequent
Penile tumescence, vaginal engorgement in NREM is
Infrequent or frequent? - ✔️✔️Infrequent
temperature in REM is
Homeothermic or poikilothermic? - ✔️✔️poikilothermic
temperature in NREM is
Homeothermic or poikilothermic? - ✔️✔️Homeothermic
Process C or Process S?
a longer time awake, the drive for steep (sleep need) builds up emonentiaily, and
dissipates over the course of steep - ✔️✔️Process S
Process C or Process S?
Process C or Process S?
pacemaker is the suprachiasmatic nucleus (SCN) of the hypothalamus - ✔️✔️Process
C
Process C or Process S?