Table 1.

Mean and standard deviations of sleep measures from SSHS data.

	N	Minimum	Maximum	Mean	Std. deviation
Bedtime weekdays	47	22:00	4:00	23:37	1:13
Wake up weekdays	47	5:00	09:30	7:05	0:49
TST weekdays	47	2 h	9 h 40	7 h 08	0 h 09
Bedtime weekends	47	22:30	07:00	01:01	1:37
Wake up weekends	47	7:00	16:00	10:12	1:38
TST weekends	47	5 h	11 h 30	9 h 04	1 h 39
Weekend sleep lag	47	−1 h 30	5 h 30	1 h 55	1 h 33
Sleepiness	47	10.00	40.00	18.72	7.20
Sleep/wake behavior problems	47	12.00	40.00	23.98	7.80
M/E scale	47	13.00	39.00	24.43	7.38