Affective reactivity may be the mediator of sleep disturbance on suicidal ideation.  Improving sleep may improve affective reactivity, which may in turn reduce suicidal ideation.

Hamilton, J. L., Tsypes, A., Zelazny, J., Sewall, C. J., Rode, N., Merranko, J., … & Franzen, P. L. (2023). Sleep influences daily suicidal ideation through affective reactivity to interpersonal events among high‐risk adolescents and young adults. Journal of child psychology and psychiatry, 64(1), 27-38.

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