# Daytime Bright Light, Circadian Abnormalities, and Delirium in Medical ICU Patients

> **NCT03684460** · NA · COMPLETED · sponsor: **Yale University** · enrollment: 68 (actual)

## Conditions studied

- Circadian Rhythm Disorders

## Interventions

- **DEVICE:** Daytime Bright Light
- **DEVICE:** Usual Light

## Key facts

- **NCT ID:** NCT03684460
- **Lead sponsor:** Yale University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-07-08
- **Primary completion:** 2024-03-28
- **Final completion:** 2024-03-28
- **Target enrollment:** 68 (ACTUAL)
- **Last updated:** 2024-05-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03684460

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03684460, "Daytime Bright Light, Circadian Abnormalities, and Delirium in Medical ICU Patients". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03684460. Licensed CC0.

---

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