Mean values (± standard deviation) for circadian and demographic variables across circadian cluster groups and controls.

Sleep midpoint is time values in decimal form; Ctl = controls; ANOVA = analysis of variance; (D/B/A) = depression/anxiety/bipolar; HDRS = Hamilton Depression Rating Scale (not including insomnia items); SOFAS = Social and Occupational Functioning ScaleMean values (± standard deviation) for circadian and demographic variables across circadian cluster groups and controls.