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NCT03636360 · ClinicalTrials.gov registry record · NA

The Impact of Artificial Sunlight on Human Sleep and Circadian Rhythms

A NA study of Sleep and Mood, sponsored by VA Palo Alto Health Care System.

Completed
Registry status
NA
Development phase
10
Enrollment target
1
Study location

NCT03636360: Completed NA study of Sleep and Mood, sponsored by VA Palo Alto Health Care System.

NCT03636360 is a NA study of Sleep and Mood that has completed, run by VA Palo Alto Health Care System. The registered enrollment target is 10 participants, below the 4,166-participant average among 151 other Sleep trials with a reported enrollment target (100% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03636360, a NA study of Sleep and Mood, has completed, sponsored by VA Palo Alto Health Care System.

COMPLETED
Registry status
NA
Development phase
10 participants
Enrollment target
1
Study location

Study Summary

The purpose of this study is to examine, in healthy controls, whether LED lighting that has a color spectrum similar to that of sunlight is able to differentially impact mood, circadian rhythms, sleep, and behavior, as compared to standard fluorescent lighting.

Primary Outcome

Change in median reaction time score on the auditory psychomotor vigilance test

Interventions

  • DEVICE Light

Study Locations (1)

California

  • VA Palo Alto Health Care System - Palo Alto

Trial Details

FieldValue
Enrollment Target 10 participants
Start Date 2019-07-01
Est. Completion 2021-03-01
Phase NA
VA Palo Alto Health Care System

34 total trials

What the finished NCT03636360 record still lists

NCT03636360 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 10 participants, a relatively small participant target, below the 4,166-participant average among 151 other Sleep trials with a reported enrollment target (100% lower).

The record links to 3 conditions, with Sleep appearing as the primary indexed condition, and to 1 intervention - of which Light is the first listed.

NCT03636360 reports a single indexed study location in California.

Frequently Asked Questions

What is clinical trial NCT03636360 about?

NCT03636360 is a clinical study titled "The Impact of Artificial Sunlight on Human Sleep and Circadian Rhythms". The purpose of this study is to examine, in healthy controls, whether LED lighting that has a color spectrum similar to that of sunlight is able to differentially impact mood, circadian rhythms, sleep, and behavior, as compared to standard fluorescent lighting.

What is the current status of trial NCT03636360?

This trial is currently completed. It is a NA study. The enrollment target is 10 participants. The study started on 2019-07-01. Estimated completion is 2021-03-01.

What conditions does trial NCT03636360 study?

This clinical trial studies the following conditions: Sleep, Mood, Circadian Dysregulation.

What interventions are being tested in trial NCT03636360?

The interventions under investigation include: Light (DEVICE).

Who is sponsoring clinical trial NCT03636360?

This trial is sponsored by VA Palo Alto Health Care System, which has 34 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT03636360 being conducted?

This trial has 1 study location across California. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Sleep

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT03636360's enrollment target sits among peer trials

10 148th of 151 higher than 1 of 151 other Sleep trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Sleep trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03636360, the US trial registry maintained by the National Library of Medicine. NCT03636360 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.