A member asked:

How do you use a sun lamp for a circadian rhythm disorder?

A doctor has provided 1 answer

Morning: It must be full spectrum white light. These are expensive. Used for "winter blues", technically known as seasonal adaptive disorder causing depression. Exposure to this light for about 2 hours at sunrise is often curative. The incas used to lie down at sunrise to expose themselves to the sun as part of their health program.

Answered 4/9/2014

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