41
Participants
Start Date
November 30, 2007
Primary Completion Date
April 30, 2010
Study Completion Date
August 31, 2010
Bright light
One hour of exposure to bright light daily upon awakening for 6 weeks.
Red light placebo
One hour of exposure to red light.
National Institute of Mental Health (NIMH)
NIH
University of Maryland, Baltimore
OTHER