Table 2.

Self-report measures before and after HIRREM

Instrument (number of participants with data)	Baseline mean (SD)	Mean change after HIRREM (SD)	Paired t test p values	Wilcoxon p values
RPQ total (n = 12)	29.2 (14.9)	−19.7 (11.4)	<0.001	0.001
Headaches	3.0 (0.9)	−1.4 (1.3)	0.003	0.004
Dizziness	1.8 (1.4)	−1.1 (1.1)	0.005	0.014
Nausea/vomiting	1.3 (1.1)	−1.2 (1.0)	0.002	0.008
Noise sensitivity	1.7 (1.2)	−1.2 (0.7)	<0.001	0.002
Sleep disturbance	1.4 (1.2)	−0.8 (0.8)	0.005	0.016
Fatigue	2.3 (1.4)	−1.9 (1.1)	<0.001	0.002
Irritability/anger	1.7 (1.3)	−1.0 (1.2)	0.015	0.031
Depressed/tearful	1.4 (1.5)	−0.8 (1.5)	0.085	0.125
Frustrated/impatient	2.1 (1.4)	−1.3 (1.6)	0.016	0.022
Forgetful/poor memory	2.2 (1.6)	−1.7 (1.4)	0.002	0.008
Poor concentration	2.6 (1.4)	−1.9 (1.5)	0.001	0.008
Taking longer to think	2.4 (1.6)	−1.8 (1.3)	<0.001	0.001
Blurred vision	1.2 (1.3)	−0.8 (0.9)	0.011	0.031
Light sensitivity	1.9 (1.2)	−1.3 (0.8)	<0.001	0.002
Double vision	0.8 (1.2)	−0.5 (1.0)	0.111	0.188
Restlessness	1.4 (1.1)	−0.9 (0.9)	0.005	0.016
ISI (n = 15)	7.5 (4.1)	−4.1 (4.1)	0.002	0.003
CES-D (n = 10)	20.8 (14.2)	−12.0 (10.0)	0.004	0.004