Table 1.

Descriptive Statistics for Sleep-related Problems Sleep Patterns at Baseline

	Study 1	Study 2
Measures	Mean (SD)	Mean (SD)
CSHQ Total	51.18 (9.32)	51.41 (8.08)
SSR Total	40.68 (7.56)	39.24 (5.52)
Sleep Diary
a. Sleep Onset Latency (minutes)	20.61 (16.29)	18.45 (10.87)
b. Wake After Sleep Onset (minutes)	5.44 (7.13)	5.78 (8.12)
c. Midpoint of Sleep Period (clock-time)	03:15am (00:47)	02:57am (00:36)
d. Total Sleep Time (minutes)	528.45 (57.47)	544.55 (55.28)
e. Sleep Quality (0–100)	66.32 (18.69)	73.46 (20.26)
f. Difficulty Waking (0–100)	62.58 (21.35)	66.46 (23.04)
Sleep Actigraphy
a. Sleep Onset Latency (minutes)	19.95 (13.38)	21.88 (16.78)
b. Wake After Sleep Onset (minutes)	45.07 (36.77)	46.48 (38.06)
c. Midpoint of Sleep Period (clock-time)	03:15am (00:49)	03:34am (01:17)
d. Total Sleep Time (minutes)	475.61 (53.41)	482.17 (53.93)

Note. Raw means and standard deviations. M = mean; SD = standard deviation; Sig. = significance; midpoint of sleep period is formatted in hours and minutes. CSHQ = The Children’s Sleep Habits Questionnaire; SSR = Sleep Self Report