43
Participants
Start Date
June 18, 2013
Primary Completion Date
May 10, 2018
Study Completion Date
July 3, 2018
LWT+AM BWL
One night of late wake therapy (LWT)(sleep 21:00-01:00 h, followed by wakefulness) plus 7 days of morning bright white light (AM BWL)(light-emitting diode-LED administered for 60 minutes, starting within 30 minutes of habitual wake time)
EWT+PM BWL
One night of early wake therapy (EWT) (wakefulness until 03:00 h, then sleep 03:00-07:00 h) plus 7 nights of evening bright white light (PM BWL)(light-emitting diode-LED administered 90 minutes before habitual sleep onset, for 60 minutes)
UCSD Medical Center, Hillcrest, San Diego
University of California, San Diego
OTHER