High levels of COVID-19 related social disruption was associated with higher levels of depression.

Grinnell College

Psychiatry tends to use the circadian cycle to explain illness genesis and illness vulnerability. This is most prominant for mood disorders where a disruption of the 24-hour system occurs before, during and after an episode.

There is also evidence that circadian abnormalities are part of mood disorders functioning as either a cause or a result.

Circadian rhythem involvement in mood disorders

Murray, G., Gottlieb, J., & Swartz, H. (2021). Maintaining daily routines to stabilize mood: Theory, data, and potential intervention for circadian consequences of COVID-10. The Canadian Journal of Psychiatry, 66(1). 9-13. https://doi.org/10.1177/0706743720957825 

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