Symptom severity is associated with discrepancies between subjective and objective sleep measures in patients with non-seasonal depression
1. This randomized controlled trial found that patients with more severe depressive symptoms exhibited more significant underestimation of total sleep time and discordance between diary-based and actigraphic sleep parameters. 2. However, those who received bright light therapy showed greater improvements in diary-based time to fall asleep and rise time than those in the control group.
Rating Level Hamilton Depression Score Morningness Eveningness Questionnaire Insomnia Severity Index Short Form Survey Bright Light
Source: 2minutemedicine.com