The Impact of Artificial Sunlight on Human Sleep and Circadian Rhythms

Completed · Not applicable

Conditions studied: Sleep, Circadian Dysregulation, Mood

In brief

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.

Key facts

Study ID

NCT03636360

Run by

VA Palo Alto Health Care System

People needed

10

Starts

2019-07-01

Expected to finish

2021-03-01

Last updated by the study team

2021-03-30

Who can join

Age: 18 and older, up to 35. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Good self-reported health
• Normal color vision

You may not qualify if…

• No sleep disorders
• No extreme chronotype
• Regular smoker
• Significant hearing loss
• Depression
• Alcohol use disorder
• Use of illegal drugs
• Pregnant

Where it is running

• VA Palo Alto Health Care System — Palo Alto, California, United States

Full record on ClinicalTrials.gov

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