Morning type (N = 48) | Intermediate type (N = 319) | Evening type (N = 80) | ||||
---|---|---|---|---|---|---|
Bedtime on weekdays | 23:36 ± 0:52 | †, ‡ | 0:30 ± 1:01 | ‡ | 1:09 ± 1:21 | |
Wake-up time on weekdays | 5:56 ± 0:48 | †, ‡ | 6:27 ± 0:46 | ‡ | 6:55 ± 2:50 | |
Sleep duration on weekdays (h) | 6.2 ± 0.9 | ‡ | 5.8 ± 1.1 | ‡ | 5.2 ± 1.3 | |
Bedtime on weekends | 23:31 ± 1:04 | †, ‡ | 0:43 ± 1:20 | ‡ | 1:34 ± 1:26 | |
Wake-up time on weekends | 7:04 ± 1:09 | †, ‡ | 8:49 ± 1:37 | ‡ | 10:11 ± 1:54 | |
Sleep duration on weekends (h) | 7.3 ± 1.2 | †, ‡ | 8.0 ± 1.6 | 8.3 ± 1.9 | ||
Athene Insomnia Scale score | 4.4 ± 3.1 | †, ‡ | 6.1 ± 3.7 | ‡ | 7.4 ± 3.7 | |
Epworth Sleepiness Scale score | 10.3 ± 4.9 | 11.7 ± 4.7 | 12.4 ± 5.4 | |||
Difficulty initiating sleep (%) | 15 | 27 | 31 | |||
Difficulty maintaining sleep (%) | 15 | 9 | 13 | |||
Early morning awakening (%) | 19 | * | 5 | 0 | * | |
Difficulty awakening (%) | 15 | * | 46 | 70 | * |