| Not during the past month | Less than once a week | Once or twice a week | Three times or more a week |
N (%) | N (%) | N (%) | N (%) | |
Cannot get to sleep within 30 minutes (n = 266) | 135 (50.8) | 32 (12.0) | 42 (15.8) | 57 (21.4) |
Wake up in the middle of the night or early morning (n = 264) | 116 (43.9) | 32 (12.1) | 53 (20.1) | 63 (23.9) |
Have to get up to use the bathroom (n = 265) | 46 (17.4) | 36 (13.6) | 63 (23.8) | 120 (45.3) |
Cannot breathe comfortably (n = 265) | 214 (80.8) | 21 (7.9) | 11 (4.2) | 19 (7.2) |
Cough or snore loudly (n = 263) | 184 (70.1) | 23 (8.7) | 23 (8.7) | 33 (12.5) |
Feel too cold (n = 269) | 190 (70.7) | 24 (8.9) | 24 (8.9) | 31 (11.5) |
Feel too hot (n = 269) | 169 (62.9) | 32 (11.9) | 34 (12.6) | 34 (12.6) |
Have bad dreams (n = 268) | 189 (70.5) | 39 (14.6) | 26 (9.7) | 14 (5.2) |
Have pain (n = 268) | 148 (55.2) | 34 (12.7) | 37 (13.8) | 49 (18.3) |
Other reasons (n = 256) | 249 (97.2) | 4 (1.6) | 0 (0.0) | 3 (1.2) |
Using sleep medications | 247 (91.5) | 4 (1.5) | 6 (2.2) | 13 (4.8) |
Having troubles staying awake while driving, eating meals or engaging in social activities (n = 269) | 213 (79.2) | 28 (10.4) | 11 4.1) | 17 (6.3) |
How much a problem has it been for you to keep up enthusiasm to get things done (n = 265) | 185 (69.8) | 32 (12.1) | 28 (10.6) | 20 (7.5) |