Table 2 . Frequency distribution of dimentions of sleep quality .
| Dimension | n % | ||
| Subjective sleep quality |
Very good Good Bad Very |
5(2.5) 109(54.5) 78(39) 8(4) |
|
| Sleep latency |
Never <once/week 1-2times/week ≥3times/week |
5(2.5) 137(68.5) 42(21) 16(8) |
|
| Sleep duration |
>7hours 6-7hours 5-6hours <5hours |
16(8) 109(54.5) 45(22.5) 30(15) |
|
| Habitual sleep efficiency |
>85% 75-84% 65-74% <64% |
53(26.5) 90(45) 39(19.5) 18(9) |
|
| Use of sleeping medication |
Never <once/week 1-2times/week ≥3times/week 0.66±1 |
123(61.5) 36(18) 20(10) 21(10.5) |
|
|
Daytime dysfunction Daytime drowsiness |
Never <once/week 1-2times/week ≥3times/week |
6(3) 121(60.5) 68(34) 5(2.5) |
|
|
Problems with lack of energy |
Never <once/week 1-2times/week ≥3times/week |
4(2) 111(55.5) 78(39) 7(3.5) |