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In this study, we link long-term vulnerability to psychopathology to short-term dynamics between sleep satisfaction and eight daytime psychiatric symptoms. A total of 122 young adults (age: M = 23.9 years; 43% female) from the Tracking Adolescents’ Individual Lives Survey cohort reported nightly sleep satisfaction and daily symptom severity for 6 months using electronic diaries. The severity of internalizing, externalizing, attention-deficit/hyperactivity-disorder (ADHD), and autism-spectrum-disorder (ASD) problems was assessed across 15 years before the diary study. Mixed-effect models showed that lower sleep satisfaction predicted more severe next-day apathy, worry, impatience, irritability, resistance to change, and sensory sensitivity, and there were stronger effects in participants with a history of internalizing and ASD problems. Reverse associations were weaker and symptom-specific such that some daytime symptoms predicted lower next-night sleep satisfaction primarily in participants with a history of ADHD and ASD problems. These findings highlight bidirectional daily associations between sleep and mental health, particularly in individuals with enduring psychiatric vulnerability.
Sarsembayeva et al. (Tue,) studied this question.