Fig. 2From: Circadian rhythm and sleep alterations in older people with lifetime depression: a case-control studyDifferences in dim light melatonin onset times (A) and phase angle between dim light melatonin onset time and midpoint of sleep (B) between depression cases and controls. Grey circles are controls and black diamonds are depression patients. Points are the individual values, the middle line is the mean and the error bars are the standard deviationBack to article page