Sleep
Winter Depression Light Dose
Winter depression light dose uses a morning 10,000-lux lamp for twenty to thirty minutes in dark months—plus outdoor light when possible and clinical oversight.
Winter depression light dose is the common bright-lamp protocol—about 10,000 lux at a manufacturer-set distance for twenty to thirty minutes soon after waking—during short daylight months. Outdoor walks still matter when weather allows; lamps supplement, not replace, clinical care for major depression.
Eye safety and bipolar history warrant clinician input before high-dose daily use.
Common questions
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Can you split lamp time morning and afternoon?
Most protocols use one morning block to anchor phase. Afternoon bright light can delay sleep—ask a clinician before splitting doses, especially with bipolar history.
Related terms
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