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.
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