# Teen Sleep and Light Study

> **NCT04921215** · NA · COMPLETED · sponsor: **Rush University Medical Center** · enrollment: 88 (actual)

## Conditions studied

- Chronobiology
- Light
- Sleep
- Circadian Rhythm
- Adolescence

## Interventions

- **BEHAVIORAL:** Morning bright light

## Key facts

- **NCT ID:** NCT04921215
- **Lead sponsor:** Rush University Medical Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-14
- **Primary completion:** 2025-08-15
- **Final completion:** 2025-08-15
- **Target enrollment:** 88 (ACTUAL)
- **Last updated:** 2025-09-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04921215

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04921215, "Teen Sleep and Light Study". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04921215. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*