Significant improvement in Insomnia symptoms:

Khalsa SBS, Goldstein MR. Treatment of chronic primary sleep onset insomnia with Kundalini yoga: a randomized controlled trial with active sleep hygiene comparison. J Clin Sleep Med. 2021 Sep 1;17(9):1841-1852. doi: 10.5664/jcsm.9320. PMID: 33928908; PMCID: PMC8636338.

Significant improvement in Anxiety symptoms in the short term:

Hoge EA, Simon NM, Szuhany K, Feldman B, Rosenfield D, Hoeppner S, Jennings E, Khalsa SB, Hofmann SG. Comparing Kundalini Yoga, cognitive behavioral therapy, and stress education for generalized anxiety disorder: Anxiety and depression symptom outcomes. Psychiatry Res. 2023 Sep;327:115362. doi: 10.1016/j.psychres.2023.115362. Epub 2023 Aug 6. PMID: 37598625; PMCID: PMC11620537.