Can morning light lift the fog of bipolar depression?

NCT ID NCT05357313

First seen Mar 22, 2026 · Last updated May 16, 2026 · Updated 10 times

Summary

This study tests whether bright light therapy can help ease depression in people with bipolar disorder who tend to be night owls. 70 adults will receive either bright light or a placebo light for six weeks alongside their usual treatment. The goal is to see if the light improves mood and sleep.

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Contacts and locations

Locations

  • The Chinese University of Hong Kong

    Hong Kong, Hong Kong

Conditions

Explore the condition pages connected to this study.