Table I.

The sleep parameters of the four IBD patients and eight matched control subjects during 7 days of baseline sleep.

	Sleep onset	Wake time	Sleep onset latency (min)	Sleep efficiency	Wake after sleep onset (min)	Total sleep time (min)
IBD1	23:38	7:12	34.9	74.1	78.6	375.4
IBD2	22:46	5:20	38.2	77.5	37.4	356.1
IBD3	22:40	7:09	15.2	73.9	106.3	403
IBD4	00:35	10:22	5.4	86.6	68.4	518.1
IBD mean	23:25	7:30	23.4*	78*	72.7	413.2
Control mean	00:18	8:29	6.32	87	54.9	436.7

Abbreviation: IBD = inflammatory bowel disease.

^*p < 0.05, Mann-Whitney U test between patients and controls.