| Sleep component (n = 46) | Never n (%) | Less than once per week n (%) | Once or twice per week n (%) | Three or more per week n (%) |
| Subjective sleep quality | 6 (13) | 21 (46) | 11 (24) | 8 (17) |
| Sleep latency | 11 (24) | 8 (17) | 13 (28) | 14 (31) |
| Sleep duration | 19 (41) | 9 (20) | 5 (11) | 13 (28) |
| Habitual sleep efficiency | 21 (46) | 5 (10) | 6 (13) | 14 (31) |
| Sleep disturbance | 7 (15) | 19 (42) | 17 (36.5) | 3 (6.5) |
| Daytime dysfunction | 16 (35) | 13 (28 | 11 (24) | 6 (13) |
| Sleep medication | 39 (83.5) | 3 (6.5) | 2 (4.5) | 2 (4.5) |
| Loud snoring or long breath pauses | 28 (61) | 1 (2) | 4 (9) | 15 (28) |
| Leg twitching or jerking | 33 (72) | 3 (6.5) | 3 (6.5) | 7 (15) |