A new study of adolescents in Finland reported links between various indicators of circadian rhythms and psychiatric disorders. Namely, suicidality was linked with later sleep midpoint, irregular sleep, and delayed sleep phase. People with severe depression had longer circadian periods, while a preference for eveningness was linked to generalized anxiety, panic disorder, and a number of other problems. The study was published in the Journal of Psychiatric Research. Circadian rhythms are near 24-hour cycles that are part of the body’s internal clock. They regulate a number of bodily functions a…
