I have suffered from mild to moderate Seasonal Affective Disorder (SAD) for years…

Sleep Phase Advance

I use a light box on my desk at work all day…

Sleep Phase Advance

 I just did the Morningness-Eveningness assessment questionnaire…

Dawn Simulator

I go to bed at 10 PM and wake up at 9 AM every...

Sleep Phase Advance

I am thinking about using a home purifier with a negative ion generator…

Sleep Phase Advance

If I wake up later than my ideal time on the weekend, should I...

Sleep Phase Delay

Can I use a light box while lying on my stomach?

Sleep Phase Delay

Why do I wake up at 4:30 every morning no matter what time I...

Light Therapy

Should use of a proper light box raise my vitamin D level to a...

Sleep Phase Delay

 I’ve been using light therapy for three to four weeks with great success…

Light Box
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