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Sleep problems and depressive symptoms, including suicidal ideation, are strongly associated among undergraduate students. Although upwards of 60% of college students report sleep problems, the mechanisms through which sleep might be linked with students' depressive symptoms, and suicidal ideation in particular, would benefit from further clarification. Drawing upon a contextual behavioral science perspective, the current study sought to examine how changes in psychological flexibility/inflexibility might act as potential mediators between changes in college students’ sleep quality and depressive symptoms, including suicidal ideation.

The longitudinal (baseline and 2-month follow-up) online sample of 385 undergraduates (M = 20.0, SD = 1.6) was collected through a multi-site study during the Spring semester of 2019.

Analyses using the PROCESS macro to examine potential …