Table 1 Sleep characteristics among the medical students
From: Sleep hygiene practices and sleep quality among medical students in Egypt: a cross-sectional study
Variables | Number (n = 504) | % |
|---|---|---|
Subjective sleep quality: | Â | Â |
 Very good  Fairly good  Fairly bad  Very bad | 72 241 140 51 | 14.3 47.8 27. 8 10.1 |
Sleep duration in hours: | Â | Â |
 > 7  > 6–7  5–6  < 5  Mean ± SD | 219 213 54 18 | 43.4 42.3 10.7 3.6 |
7.28 ± 1.74 | ||
Sleep latency in minutes: | Â | Â |
 ≤ 15  16–30  31–60  > 60  Mean ± SD | 184 172 104 44 | 36.5 34.1 20.7 8.7 |
34.55 ± 31.66 | ||
Sleep hygiene practice (SHI): | Â | Â |
 Good  Poor | 32 472 | 6.3 93.7 |
Sleep quality (PSQI): | Â | Â |
 Good  Poor | 145 359 | 28.8 71.2 |