Table 1.

Correlations between Sleep Measures and PTSD Severity

			Daily Diary Variables				Actigraphy Variables

	1	2	3	4	5	6	7	8	9	10	11
1 ISI		.72^***	−0.48^***	0.59^***	0.24	−0.61^***	0.00	−0.07	0.05	−0.03	0.48^***
2 PSQI	0.72^***		−0.41^**	.51^***	.34^*	−0.57^***	0.11	−0.06	0.07	−0.03	0.51^***

Daily Diary
3 TSTDairy	−0.48^***	−0.41^**		−0.42^**	−0.15	0.57^***	0.22	−0.09	−0.12	0.16	0.17
4 SOLDairy	0.59^***	.51^***	−0.42^**		0.23	−0.80^***	−0.09	−0.21	0.12	−0.07	0.17
5 WASODairy	0.24	0.34^*	−0.15	0.23		−0.71^***	0.11	−0.08	−0.02	0.06	−0.27
6 SEDairy	−0.61^***	−0.57^***	.57^***	−0.80^***	−0.71^***		0.05	0.16	−0.12	0.09	−0.24

Actigraphy
7 TSTAct	0.00	0.11	0.22	−0.09	0.11	0.01		0.15	−0.26	.49^***	0.13
8 SOLAct	−0.07	−0.06	−0.09	−0.21	−0.08	0.16	0.15		0.20	−0.03	0.13
9 WASOAct	0.05	0.07	−0.12	0.12	−0.02	−0.14	−0.26	0.20		−0.95^***	0.15
10 SEAct	−0.03	−0.03	0.16	−0.07	0.06	0.10	.49^***	−0.03	−0.95^***		−0.13

11 PTSD Severity	0.48^***	0.51^***	0.17	0.17	−0.27	−0.24	0.13	0.13	0.15	−0.13

Note: N = 51; PSQI (Pittsburgh Sleep Quality Index); ISI (Insomnia Severity Index); SOL (Sleep onset latency in minutes); WASO (Wakening after sleep onset in minutes); TST (Total sleep time in minutes); SE (Sleep Efficiency %)

p < 0.05,

^**

p < 0.01,

^***

p < 0.001