Table 2 Percentage of sleep disturbances and sleep disorders in German and Luxembourgish students
| Sleep quality |
All students (%) |
Germany (%) |
Luxembourg (%) |
|---|---|---|---|
| Good sleep quality (PSQI ≤ 5) | 39.3 | 39.4 | 34.8 |
| Impaired sleep (PSQI 6–10) | 42.8 | 42.9 | 42.9 |
| Severe sleep problem (PSQI > 10) | 17.9 | 17.7 | 22.3 |