Table 3.
Variation of respondent sleep–wake habits and duration between weekdays and weekends with respect to circadian typology
| Chronotypes
|
F | P | η2ρ | |||
|---|---|---|---|---|---|---|
| Evening Mean ± SD | Neither Mean ± SD | Morning Mean ± SD | ||||
| Wake-up time | ||||||
| Weekdays | 8:33 am±90 min | 7:44 am±82 min | 7:04 am±62 min | 19.494 | <0.001* | 0.086 |
| Weekends | 11:38 am±97 min | 10:04 am±101 min | 8:16 am±85 min | 61.084 | <0.001* | 0.224 |
| Bedtime | ||||||
| Weekdays | 12:47 am±80 min | 12:01 am±74 min | 11:12 pm±87 min | 23.023 | <0.001* | 0.098 |
| Weekends | 2:37 am±82 min | 1:27 am±96 min | 12:22 am±101 min | 33.258 | <0.001* | 0.137 |
| Sleep duration (hours) | ||||||
| Weekdays | 7.78±1.48 | 7.67±1.48 | 7.86±1.12 | 0.419 | 0.658 | 0.002 |
| Weekends | 9.00±1.54 | 8.62±1.79 | 7.91±1.96 | 4.957 | 0.007* | 0.023 |
Note:
*
Significant difference in sleep/wake timing among chronotype groups on weekdays and weekends.
Abbreviations: SD, standard deviation; min, minutes.