TABLE 3.

Analyses in subset of participants (n = 18) recalling at least 8 bad dreams or nightmares per month.

	Dysphoric dream frequency (retrospective)		Nightmare distress (retrospective)		Dysphoric dream distress (prospective)
	R	p	R	p	R	p
LH-Negative	–0.182	0.47	0.025	0.92	–0.427	0.08†
RH-Negative	–0.039	0.88	–0.210	0.40	–0.489	0.04*
LH-Neutral	0.265	0.29	–0.472	< 0.05*	–0.166	0.51
RH-Neutral	0.230	0.36	–0.427	0.08†	–0.111	0.66
LH-Positive	0.179	0.48	–0.043	0.86	–0.206	0.41
RH-Positive	0.061	0.81	0.306	0.22	0.078	0.76

Correlations conducted between NIRS beta values and retrospective dysphoric dream recall frequency (# bad dreams and nightmares per month), retrospective nightmare distress (scores on Van Dream Anxiety Scale), and prospective dysphoric dream distress (average rating for negative waking impact of a dream on a 1–9 scale over a 1-week dream diary). *p < 0.05; ^†p = 0.08.