Table 3.
Actigraphy derived sleep by sex and type of night.
| Adolescents | Parents | |||||||
|---|---|---|---|---|---|---|---|---|
| Girls | Boys | Mother | Father | |||||
| Work night | Free night | Work night | Free night | Work night | Free night | Work night | Free night | |
| Sleep onset (clock time) | 23:16 (0:58) | 23:48 (1:14) | 23:07 (1:08) | 23:43 (1:08) | 23:22 (0:52) | 23:44 (1:04) | 23:52 (1:15) | 24:06 (1:10) |
| Sleep offset (clock time) | 07:32 (0:41) | 09:28 (1:17) | 07:17 (0:46) | 08:42 (1:02) | 07:13 (0:51) | 08:31 (0:57) | 06:53 (0:55) | 07:44 (1:18) |
| TST (hh:mm) | 07:04 (0:53) | 08:14 (0:34) | 06:45 (0:52) | 07:24 (0:43) | 06:49 (0:49) | 07:40 (1:16) | 06:09 (0:33) | 06:36 (0:43) |
| Sleep efficiency (%) | 81.8 (6.8) | 82.3 (6.7) | 80.3 (7.1) | 79.8 (6.7) | 85.5 (5.4) | 85.1 (7.8) | 86.3 (6) | 85.2 (6.7) |
TST Total Sleep Time. Work nights are nights preceding a day of work or a day of school, conversely a free night is a night preceding a free day.
hh:mm: duration expressed as clock time, with 2 first digits representing the hours and last 2 digits representing the minutes.