Table 4.

Primary Outcomes - Pre and Post intervention^*

	Baseline score	Post-Intervention Score	Change	n	p-value
Assessment	Mean (SD)	Mean (SD)	Mean (95% CI)
Sleep duration**	5.44 (1.19)	6.85 (1.70)	1.41 (0.68 to 2.13)	15	p=0.001*
PROMIS Sleep-Related Impairment instrument (t-score) (range 30.0–80.0)	56.61 (11.25)	48.46 (11.06)	−8.15 (−13.97 to − 2.32)	17	p=0.009*
PROMIS Sleep Disturbance instrument (t-score)(range 28.9–76.5)	58.24 (7.01)	52.29 (7.70)	−5.95 (−10.37 to −1.52)	17	p=0.001*
Sleep hygiene index	34.00 (7.97)	28.5 (6.00)	−5.50 (−9.32 to −1.68)	16	p=0.008*
Perceived Stress Scale	15.31 (6.09)	17.08 (6.06)	1.77 (4.94 to −1.41)	13	p=0.249
Physician Health Questionnaire-8	10.00 (4.91)	9.07 (4.58)	−0.93 (−3.44 to 1.59)	14	p=0.440

^*All participants for whom we have follow up data completed at least 2 yoga classes

^**Assessed via different methodology at pre-intervention vs. post-intervention