Table 3 Sleeping patterns of study participants
Control group (n = 126) | Suicide group (n = 127) | |
|---|---|---|
Sleep hours n (%) | ||
Less than 6 h | 53 (42.1%) | 50 (39.4%) |
6–7 h | 43 (34.1%)ab | 23 (18.1%) |
7–8 h | 23 (18.3%) | 25 (19.7%) |
8–9 h | 6 (4.8%) | 16 (12.6%)a |
More than 9 h | 1 (0.8%) | 13 (10.2%)a |
Time of sleep n (%) | ||
Between 7 and 9 pm | 5 (4.0%) | 15 (12.1%)a |
Between 9 and 11 pm | 41 (32.5%) | 48 (38.7%) |
Between 11 pm and 1 am | 67 (53.2%)ab | 30 (24.2%) |
Between 1 and 3 am | 10 (7.9%) | 14 (11.3%) |
After 3 am | 3 (2.4%) | 17 (13.7%)a |
Time of wakeup n (%) | ||
Between 2 and 4 am | 10 (7.9%) | 7 (5.5%) |
Between 4 and 6 am | 86 (68.3%)ab | 48 (37.8%) |
Between 6 and 8 am | 24 (19.0%) | 41 (32.3%)a |
Between 8 and 10 am | 3 (2.4%) | 10 (7.9%)a |
After 10 am | 3 (2.4%) | 21 (16.5%)a |
Take day naps n (%) | 51 (40.5%) | 53 (41.7%) |
Less than 1 h | 15 (11.9%) | 15 (11.8%) |
Between 1 and 2 h | 26 (20.6%) | 29 (22.8%) |
Between 2 and 3 h | 8 (6.3%) | 8 (6.3%) |
Between 3 and 4 h | 2 (1.6%) | 1 (0.8%) |
Difficulty falling asleep n (%) | 20 (15.9%) | 46 (36.2%)a |
Early wakeup n (%) | 31 (24.6%) | 41 (32.3%) |
Interrupted sleep n (%) | 21 (16.7%) | 41 (32.3%)a |
Day tiredness/sleepiness n (%) | 37 (29.4%) | 56 (44.1%a |
Problems during sleep n (%) | ||
Snoring | 25 (19.8%)ab | 6 (4.7%) |
Sleep apnea | 2 (1.6%) | 2 (1.6%) |
Self-reported sleep quality n (%) | ||
1 Worst | 4 (3.2%) | 8 (6.9%) |
2 | 6 (4.8%) | 23 (19.8%)a |
3 | 27 (21.4%) | 31 (26.7%) |
4 | 46 (36.5%) | 31 (26.7%) |
5 Best | 43 (34.1%)ab | 23 (19.8%) |