Sleep and academic performance of Portuguese Teenagers
Table 1: Subjective sleep quality and academic performance in adolescents.
| Sleeping well habits | No | Yes | UMW | p |
| School performance | Sort average | Sort average | ||
| Study Environment | 156.69 | 196.71 | 7475.000 | 0.010 |
| Study Planning | 141.12 | 199.58 | 6556.000 | 0.000 |
| Study Method | 158.17 | 196.44 | 7562.000 | 0.014 |
| Reading Skills | 163.47 | 195.47 | 7874.500 | 0.039 |
| Motivation to study | 163.09 | 195.54 | 7852.500 | 0.036 |
| Overall School Performance | 155.28 | 196.97 | 7391.500 | 0.007 |