Table 3 Sleep parameters by age group (elderly participants, n = 44; young participants, n = 44).

From: Circadian monitoring as an aging predictor

 

Young

Elderly

Sleep onset

00:57 ± 00:08

23:55 ± 00:10‡

Sleep offset

07:45 ± 00:07

08:39 ± 00:07‡

Sleep length

06:47 ± 00:09

08:44 ± 00:10‡

Midsleep

04:21 ± 00:06

04:17 ± 00:07

  1. Values are expressed as the mean ± SEM (hh:mm). ‡p < 0.001, according to the General Linear Model controlled by gender.
Back to article page