Light Flashes to Treat Delayed Sleep Phase Disorder (DSPD)

Conditions

• Delayed Sleep Phase Disorder

Eligibility Criteria

Sex

ALL

Age

15 Years - 19 Years

Healthy Volunteers

Not accepted

Interventions

• Flashes — DEVICE
  one hour of a sequence of light flashes (4000 lux, 3 msec, every 30 seconds); occurs during the hour immediately prior to desired waketime

Study Details

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.

Key Dates

Start date

Dec 31, 2013

Status verified

Mar 2023

Primary completion

Jun 30, 2028

Completion

Sep 30, 2028

Study Design

Enrollment

20 participants (estimated)

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Arms

• Experimental: Light
  one hour of a sequence of light flashes (4000 lux, 3 msec, every 30 seconds); occurs during hour immediately prior to desired waketime
• Placebo Comparator: Fake light
  during hour immediately prior to desired waketime, subjects will receive one light flash (insufficient to cause phase shift)

Primary Outcome Measure

Sleep quality [ Time Frame: weekly for four weeks ]

Central Contacts

• Jamie Zeitzer, PhD
  650-493-5000
  [email protected]

Locations (1)

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