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Delayed Sleep Timing in Teens Study

NCT03806296 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 142

Last updated 2025-08-26

Study results available
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Summary

This study will (1) comprehensively characterize the substance use disorder (SUD) risk profile associated with adolescent Delayed Sleep Phase (DSP), and (2) probe whether SUD risk is diminished by altering sleep/circadian timing.

Conditions

  • Delayed Sleep Phase

Interventions

OTHER

Increase morning bright light

Participants will wear Re-Timer bright glasses for 30 minutes each morning

OTHER

Decrease evening blue light

Participants will wear tinted glasses that block blue wavelength light for 2 hours before bed

BEHAVIORAL

Sleep scheduling

Participants will advance their weekday bedtime and maintain their weekday risetime on weekends

BEHAVIORAL

Monitor sleep, mood, and substance use

Participants will monitor sleep, mood, and substance use via smartphone-based platform and wrist actigraphy

Sponsors & Collaborators

  • National Institute on Drug Abuse (NIDA)

    collaborator NIH

  • University of Pittsburgh

    lead OTHER

Principal Investigators

  • Brant P Hasler, PhD · University of Pittsburgh

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
16 Years
Max Age
19 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2018-12-03
Primary Completion
2024-03-22
Completion
2024-11-30

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03806296 on ClinicalTrials.gov