Changes in Sleep Quality and Mood in Seasonal Depression Patients During Light Therapy
Updated
Abstract
A 57% improvement in mood was reported by patients after 14 days of phototherapy for seasonal affective disorder.
- Phototherapy involved exposure to 10,000 lux light for 30 minutes each morning.
- Patients exhibited increased sleep efficiency following treatment.
- Sleep latency and slow wave sleep latency both decreased after phototherapy.
- An increase in sleep spindles was observed during the first hour of sleep.
- Results suggest that phototherapy may be an effective treatment for seasonal affective disorder.
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