Sleep Quality And Chronotype Of Portuguese School-Aged Children
Table 2:
| Age (years) | ||
| 3-5 | 24 (14%) | |
| 6 | 19 (11%) | |
| 7 | 22 (13%) | |
| 8 | 44 (25%) | |
| 9 | 21 (12%) | |
| 19 | 13 (8%) | |
| 11-12 | 30 (17%) | |
| Total | 173 | |
| Year of schooling* | ||
| Pre-school (1st cycle) | 34 (20%) | |
| Year 1 (2.1 cycle) | 20 (12%) | |
| Year 2 (2.2 cycle) | 51 (29%) | |
| Year 3 (3.1 cycle) | 23 (13%) | |
| Year 4 (3.2 cycle) | 16 (9%) | |
| Year 5 (4.1 cycle) | 17 (10%) | |
| Total | Year 6 (4.2 cycle) | 12 (7%) 173 |