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What is the recommended method of use of a negative air ionizer during the day? When should it be turned on, and for how long?

A reader asks:What is the recommended method of use of a negative air ionizer during the day? When should it be turned on, and...

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Can one use natural light instead of a bright light therapy lamp?

A reader asks:Can one use natural light instead of a bright light therapy lamp? Answer:It's worth noting that the effectiveness of light therapy, whether bright...

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How does red and near-infrared therapy compare to bright light therapy for SAD?

A reader asks: How does red and near-infrared therapy compare to bright light therapy for SAD? Answer: Red light and near-infrared exposure to the skin may have...

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Is there a difference in the therapy effect in the use of LED vs CFL bulbs?

A reader asks: Is there a difference in the therapy effect in the use of LED vs CFL bulbs? Answer: LED light boxes have begun to appear...

Negative Air Ions

Should I use an air ionizer?

A reader asks: Should I use an air ionizer? Answer: Ionizers generate negative air ions, which attract dust and allergens and other positively charged airborne particles and...

Negative Air Ions

Negative Air Ionization: Its Proven and Potential Benefits

Negative air ionizers — a type of air purification device — are widely used in personal and commercial spaces to improve air quality and...

Light Therapy

Do light goggles or light therapy glasses work?

A reader asks: Do light goggles or light therapy glasses work? Answer: Head-mounted light therapy devices have been around for many years, the first by the same investigators who developed light box therapy...

Dawn Simulator

I’d like to try a dawn simulator because I want to get up at 6 a.m. …

A reader asks: I'd like to try a dawn simulator because I want to get up at 6 a.m., and the sun isn't up yet...

Sleep Phase Advance

For about 3 decades I worked as an owner/ operator in a job that began…

A reader asks: For about 3 decades I worked as an owner/ operator in a job that began at midnight while not finishing until 3pm...

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