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Total Sleep Duration (REM): the interval between sleep onset time and lights on/out-bed time while the participant is in REM sleep from type II polysomnography
Visit number vs Total Sleep Duration (REM): the interval between sleep onset time and lights on/out-bed time while the participant is in REM sleep from type II polysomnography
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 8
461
64.5
± 29.7
65.0
0.0
139.0
-
461
Age (categorical) vs Total Sleep Duration (REM): the interval between sleep onset time and lights on/out-bed time while the participant is in REM sleep from type II polysomnography
Visit 8
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
455
64.7
± 29.5
65.0
0.0
139.0
-
455
75-84 years
325
67.6
± 29.6
69.0
0.0
139.0
-
325
85 years or older
130
57.5
± 28.2
57.0
0.0
137.0
-
130
Gender vs Total Sleep Duration (REM): the interval between sleep onset time and lights on/out-bed time while the participant is in REM sleep from type II polysomnography