Table A2.

Descriptive statistics of sleep variables of the subgroup that completed the CPT task, means reported. SD: standard deviation.

Sleep Variables	ADHD (n = 13)	Controls (n = 31)
Sleep Onset Latency (SD)
school days	55 min (40 min)	28 min (17 min)
free days	55 min (33 min)	31 min (21 min)
Total Counts (SD)
school days	184,058 (87,277)	91,852 (46,775)
free days	220,946 (138,619)	121,377 (62,223)
Sleep Efficiency (SD)
school days	74% (8%)	78% (8%)
free days	70% (10%)	76% (6%)
Sleep Deficit (SD)	+/−2 h Normal	+/−2 h Normal
school days	2 h 31 min (52 min)	2 h 7 min (49 min)
free days	2 h 38 min (63 min)	2 h 8 min (43 min)
Total Sleep Time (SD)
school days	7 h 37 min (64 min)	7 h 57 min (49 min)
free days	7 h 33 min (65 min)	7 h 56 min (39 min)
Sleep Onset Time (SD)
school days	9:18 p.m. (53 min)	9:20 p.m. (49 min)
free days	10:00 p.m. (57 min)	10:04 p.m. (55 min)