Table 2 Sleep habits of the study subjects.
From: Sleep habits and sleep problems among Palestinian students
No. | Variable | Statistics* |
|---|---|---|
1. | When do you usually go to bed? | Â |
|  |    1. < 10 pm | 124 (31%) |
|  |    2. 10 - 12 pm | 109 (27.3%) |
|  |    3. > 12 pm | 167 (41.7%) |
2. | How many hours of sleep do you usually have? | 6.4 ± 1.1 |
3. | When do you usually wake up? | Â |
|  |    1. < 6 am | 72 (18%) |
|  |    2. 6 - 8 am | 189 (47.3%) |
|  |    3. > 8 am | 139 (34.7%) |
4. | Do you drink coffee late at night? | Â |
|  |    1. Never | 234 (58.5%) |
|  |    2. < once per week | 53 (13.2%) |
|  |    3. 1 - 2 per week | 43 (10.85) |
|  |    4. 3 - 5 per week | 27 (6.8%) |
|  |    5. nightly | 43 (10.8%) |
5. | Have you ever taken sleeping pills | Â |
|  |    1. < once per week | 14 (3.5%) |
|  |    2. Never | 386 (96.5%) |