. Author manuscript; available in PMC: 2021 Feb 17.

Published in final edited form as: J Atten Disord. 2019 May 29;24(4):601–610. doi: 10.1177/1087054719851575

Table 2.

Differences in sleep timing between conditions and groups (actigraphy; mean across 5-days).

	ADHD Mean (SD)	TD Mean (SD)	p-value (Condition)	p-value (Group)
Total sleep time (minutes)
Baseline	579.57 (46.02)	588.94 (26.02)	≤.001	.34
Extension	627.53 (46.46)	644.51 (30.48)
Sleep onset time (military time, minutes)
Baseline	21:21 (39.05)	21:01 (33.60)	≤.001	.18
Extension	20:15 (55.49)	19:52 (30.06)
Wake onset time (military time, minutes)
Baseline	7:06 (54.00)	6:50 (25.35)	≤.01	.57
Extension	6:43 (45.03)	6:37 (20.73)
Wake after sleep onset (minutes)
Baseline	42.58 (23.50)	48.58 (15.40)	≤.001	.17
Extension	56.87 (17.33)	70.93 (20.63)
Sleep efficiency (%)
Baseline	89.05 (3.67)	87.70 (2.91)	≤.001	.08
Extension	86.87 (2.99)	83.99 (2.76)

Notes: In ADHD group, n = 11. In TD group, n = 14.

ADHD = attention-deficit/hyperactivity disorder; TD = typically developing; SD = standard deviation