Skip to main content

Table 2 Sleep habits and characteristics of both study groups

From: The relationship between sleep and wake habits and academic performance in medical students: a cross-sectional study

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
  1. ESS: Epworth sleepiness scale, TST: total sleep time.
  2. *Bedtime during weekends - bedtime during weekday.