Table 3.

A comparison of the sleep characteristics between males and females.

Character mean ± SD	Males (No = 19)	Females (No = 121)	p-valuea
Age	23.56 ± 3.20	22.44 ± 1.64	0.027
Weekday wake-up time	6.31 ± 0.83	7.65 ± 2.13	0.014
Sleep duration/weekdays	9.87 ± 5.31	6.96 ± 2.07	0.046
Sleep duration weekends	7.46 ± 2.23	9.19 ± 3.30	0.045
Weekend bedtime	25.03 ± 1.93	25.98 ± 3.22	0.249
Weekend wake-up time	8.53 ± 2.25	10.87 ± 3.45	0.009
Chronotype	3.71 ± 1.14	4.37 ± 1.43	0.080
Weekday bedtime	24.25 ± 1.29	24.66 ± 1.93	0.408

^at-test.