Research Article
Good and Bad Sleep in Childhood: A Questionnaire Survey amongst School Children in Southern Italy
Table 2
Descriptive data on sleep habits and their comparison between good and bad sleepers.
| Variables | Total sample Mean ± SD | Good sleepers Mean ± SD | Bad sleepers Mean ± SD | Mann-Whitney test (U) |
| Sleep onset time on schooldays | 21:46 ± 01:23 | 21:43 ± 01:22 | 22:22 ± 01:24 | 5308,0* | Sleep onset time on weekends | 22:53 ± 02:08 | 22:50 ± 01:30 | 23:35 ± 02:10 | 5322,0* | Rise time on schooldays | 07:20 ± 00:31 | 07:21 ± 00:32 | 07:18 ± 00:24 | 6652,0 | Rise time on weekends | 09:25 ± 01:31 | 09:23 ± 01:28 | 09:47 ± 02:01 | 5838,50 | Sleep duration on schooldays | 09:34 ± 01:24 | 09:37 ± 01:23 | 08:55 ± 01:25 | 5330,0* | Sleep duration on weekends | 10:32 ± 02:30 | 10:33 ± 02:29 | 10:12 ± 02:37 | 6715,5 |
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