Active — Not RecruitingNot Applicable

Improvement of Sleep Disorders in Patients With Alzheimer's Disease After Sunlight Exposure Therapy.

Taiwan60 participantsStarted 2026-01-09

Plain-language summary

This observational study aimed to understand the effect of intervention A on sleep disorders in individuals with Alzheimer's disease receiving sunlight therapy. The primary question of the study was: Does sunlight therapy improve sleep disorders in Alzheimer's disease? Participants will complete a questionnaire, undergo sunlight therapy, and have their sleep patterns recorded for 14 days.

Who can participate

SexALL

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Inclusion criteria

✓. Diagnosed with Alzheimer's disease
✓. CDR: 0.5 - 1 point
✓. Conscious and able to cooperate with behavioral interventions and telephone interviews
✓. Complaints of sleep disturbances, including: daytime sleepiness, difficulty falling asleep, fragmented sleep, nighttime awakening, nocturnal wandering, and sunset syndrome.
✓. A cohabiting family member is required as the primary caregiver, who understands and cooperates with this intervention and has signed a consent form.
✓. If the patient is already taking sleeping pills, the maintenance dose will not be adjusted.

Exclusion criteria

✕. Individuals with other brain injury conditions, such as cerebral palsy, brain tumors, traumatic brain injury, or stroke.
✕. Individuals with visual impairments (assessed by comparing numbers with fingers at a distance of 30 cm upon admission).
✕. Institutional residents.
✕. Individuals living alone.
✕. Individuals unable to cooperate with behavioral interventions and telephone interviews.

What they're measuring

Pittsburgh Sleep Quality Index, PSQI

Timeframe: on enrollment days, 7, and 14 after enrollment

Trial details

NCT IDNCT07386808

SponsorNational Taiwan University Hospital

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2026-10-31

View on ClinicalTrials.gov More Alzheimer's Disease (AD) trials