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Light Flashes to Treat Delayed Sleep Phase Disorder (DSPD)

Treating Sleep Disruption in Teens With Millisecond Light Exposure During Sleep

Who can join

Ages 15 to 19 · All sexes

Inclusion Criteria:

* Male or female
* Full-time in high school
* primary sleep complaint consistent with delayed sleep phase disorder

Exclusion Criteria:

* sleep only in prone position
* currently taking medications specifically for the treatment of a sleep disorder

About the study

Delayed Sleep Phase Disorder (DSPD) is a sleep disruption that commonly occurs in teens and manifests as a difficulty in waking up in the morning, going to sleep early enough at night, and daytime disturbances such as depression, fatigue, and restlessness. The purpose of this study is to determine if brief flashes of light, that are scheduled to occur during sleep, are effective in treating DSPD.

What is being tested

• Flashes (device)

Sponsor: Stanford University · Participants: 20 · Started: 2013-12

Contact the study team

• Jamie Zeitzer, PhD · Phone: 650-493-5000

Official record on ClinicalTrials.gov — NCT01406691

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.