A light switch for better sleep? Alzheimer's trial tests wireless circadian lighting

NCT ID NCT05519137

Completed Symptom relief Sponsor: Icahn School of Medicine at Mount Sinai Source: ClinicalTrials.gov ↗

First seen Jul 30, 2026 · Last updated Jul 31, 2026 · Updated 1 time

Summary

This trial tests whether a tailored lighting intervention, controlled by a wireless device, can improve sleep and mood in people with Alzheimer's disease. Participants receive either active lighting designed to affect the body's internal clock or a control lighting with no intended effect. The study measures sleep quality and depression symptoms to see if the lighting makes a difference.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: a wireless-controlled lighting intervention designed to impact the circadian system
What this could lead to: If it works, this could point toward a non-drug way to improve sleep and mood in people with Alzheimer's disease.
What could go wrong: This is a very small pilot trial with only 14 participants, so results may not apply widely. The lighting may not produce meaningful changes in sleep or mood.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Alzheimer disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ALZHEIMER'S DISEASE

Contacts and locations

Locations

Light and Health Research Center

Menands, New York, 12204, United States

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