Table 2 Sleep habits and characteristics of both study groups
Variables | Total (n = 410) | “Excellent” 115 (28%) | “Average” 295 (72%) | P value |
|---|---|---|---|---|
Do you feel that you get sufficient sleep? | 147 (36.0) | 57 (50.0) | 90 (30.6) | 0.000 |
ESS | 7.71 ± 3.85 | 6.88 ± 3.64 | 8.03 ± 3.89 | 0.007 |
Subjective feeling of sleepiness during classes | 261 (64.9) | 63 (55.3) | 198 (68.8) | 0.010 |
Weekday bedtime (24 hrs) | 00.06 ± 1.58 | 23.76 ± 1.70 | 00.17 ± 1.52 | 0.018 |
Weekday wake-up time | 06.15 ± 1.24 | 06.03 ±1.33 | 06.20 ± 1.20 | 0.196 |
Weekday TST (hrs) | 6.04 ± 1.36 | 6.28 ±1.45 | 5.94 ± 1.31 | 0.026 |
Weekend bedtime | 01.68 ± 2.20 | 01.14 ± 1.98 | 01.89 ± 2.25 | 0.002 |
Weekend wake-up time | 09.69 ± 3.86 | 09.01 ± 3.73 | 09.95 ± 3.89 | 0.029 |
Weekend TST (hrs) | 9.02 ± 2.45 | 8.96 ± 2.69 | 9.05 ± 2.36 | 0.753 |
Bedtime delay during weekend* | 1.75 ± 1.44 | 1.66 ± 1.42 | 1.79 ± 1.46 | 0.447 |