# Start Times and Restful Sleep

> **NCT04049682** · — · WITHDRAWN · sponsor: **University of California, San Diego**

## Conditions studied

- Excessive Daytime Somnolence
- Sleep Deprivation

## Interventions

- **BEHAVIORAL:** Delayed School Start Time

## Key facts

- **NCT ID:** NCT04049682
- **Lead sponsor:** University of California, San Diego
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2019-09
- **Primary completion:** 2021-05
- **Final completion:** 2021-12
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study never recruited subjects
- **Last updated:** 2020-07-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04049682

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04049682, "Start Times and Restful Sleep". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04049682. Licensed CC0.

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