Table 1.

DLMO times and DLMO phase shift (Night 2 – Night 1) for baseline and intervention weeks for each group (normal sleepers and early awakening insomniacs)

Normal Sleepers
Subject #	DLMO Baseline Flashing Red (h:min)	DLMO Flashing Red (h:min)	Shift N2 – N1 (h:min)*	DLMO Baseline Flashing Blue (h:min)	DLMO Flashing Blue (h:min)	Shift N2 – N1 (h:min)*
1	21:30	21:41	–0:11	20:50	20:45	0:05
2	20:20	21:06	–0:46	20:20	21:00	–0:40
3	22:40	22:15	0:25	22:40	22:50	–0:10
4	20:45	22:00	–1:15	20:45	21:00	–0:15
5	21:40	21:00	0:40	21:40	22:30	–0:50
6	21:10	21:22	–0:12	21:00	21:30	–0:30
7	21:30	21:30	0:00	20:10	21:20	–1:10
8	20:14	21:10	–0:56	20:08	20:55	–0:47
9	21:00	21:52	–0:52	21:15	22:30	–1:15
10	21:04	20:30	0:34	20:54	22:15	–1:21
11	21:24	20:57	0:27	22:30	21:49	0:41
12	21:11	21:51	–0:40	21:46	22:42	–0:56
13	19:30	20:00	–0:30	19:48	20:03	–0:15
14	19:05	19:31	–0:26	19:05	19:35	–0:30
15	21:30	21:35	–0:05	20:30	21:01	–0:31
16	19:00	18:52	0:08	19:02	19:03	–0:01
17	21:07	21:00	0:07	20:40	20:48	–0:08
Early Awakening Insomniacs
1	19:37	19:40	–0:03	19:18	21:04	–1:46
2	19:38	19:05	0:33	19:03	19:51	–0:48
3	19:00	18:48	0:12	18:55	19:30	–0:35
4	19:48	19:42	0:06	19:30	19:45	–0:15
5	18:45	19:03	–0:18	19:36	20:07	–0:31
6	19:35	19:42	–0:07	19:18	19:37	–0:19
7	20:05	19:47	0:18	19:27	20:15	–0:48
8	19:32	19:30	0:02	19:15	20:00	–0:45

^*negative values = phase delay