- Sleep & Wake-up pattern and average sleeping hours in summer vacations and 4 weeks of the academic year.
| Sleep pattern | Summer vacations n (%) | 1st Week n (%) | 2nd Week n (%) | 3rd Week n (%) | 4th Week n (%) |
|---|---|---|---|---|---|
| Sleeping Pattern | |||||
| Before Midnight | 127(32.9) | 181(47.0) | 183(47.5) | 184(47.7) | 172(44.6) |
| After Midnight | 180(46.7) | 144(37.4) | 132(34.2) | 116(30.1) | 119(30.9) |
| After Fajr Time (Dawn) | 76(19.7) | 35(9.1) | 37(9.6) | 37(9.6) | 34(8.8) |
| 1P-value in association with summer | <0.001 | <0.001 | <0.001 | <0.001 | |
| Wake-Up Pattern | |||||
| Morning Time | 194(50.3) | 263(68.3) | 259(76.6) | 255(66.2) | 243(63.1) |
| Afternoon Time | 114(29.6) | 30(7.7) | 30(7.7) | 30(7.7) | 21(5.4) |
| Evening Time | 73(18.9) | 66(18.4) | 61(17.4) | 49(14.7) | 51(16.2) |
| 2P-value in association with summer | <0.001 | <0.001 | <0.001 | <0.001 | |
| Sleeping Hour | |||||
| Mean±SD | 8.97±2.6 | 6.86±2.5 | 6.94±2.2 | 6.85±2.4 | 7.01±2.7 |
| 3P-value in association with summer | <0.001 | <0.001 | <0.001 | <0.001 | |