Table 2

Mean times of sleep and treatment during baseline week and during first and last weeks of treatment.

Sleep onset time

Sleep midpoint time

Sleep end time

Active

Placebo

Active

Placebo

Active

Placebo

Baseline week

23:04 ± 1:01

23:08 ± 0:50

3:06 ± 0:44¹

3:17 ± 0:59

7:07 ± 0:51²

7:26 ± 1:22

First week treatment

23:11 ± 0:45

22:58 ± 0:30

2:48 ± 0:32¹

2:57 ± 0:46

6:25 ± 0:40^2,3

6:56 ± 1:14

Last week treatment

23:05 ± 0:49

22:58 ± 0:60

2:52 ± 0:38

2:55 ± 0:55

6:39 ± 0:44³

6:52 ± 0:60

Time of treatment

Time to treatment after midpoint of sleep

Active

Placebo

Active

Placebo

First week treatment

6:42 ± 0:44⁴

7:03 ± 0:45

3:54 ± 0:29⁵

4:03 ± 0:34

Last week treatment

6:55 ± 0:45⁴

7:07 ± 0:50

4:01 ± 0:28⁵

4:02 ± 0:35

Notes: Data is included for all participants who completed the trial, n = 14 for active and n = 9 for placebo treatment. No comparison between active and placebo group was statistically significant for any of the variables shown. Comparisons between the first week treatment and the baseline week or last week of treatment that were significant at p ≤ 0.05 in paired t test are indicated by shared superscripts.

Desan et al. BMC Psychiatry 2007 7:38   doi:10.1186/1471-244X-7-38