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...

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...

Is there a rule of thumb for deciding whether to use the light box at a later time than recommended?

A reader asks: Q: Is there a rule of thumb for deciding whether to use the light box at a later time than...

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

A reader asks: I have suffered from mild to moderate Seasonal Affective Disorder (SAD)  for years. It usually begins in late November. In...

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

A reader asks: Q: I use a light box on my desk at work all day during the fall and winter months. Should I limit...

I go to bed at 10 PM and wake up at 9 AM every day, and I have to take a nap…

A reader asks: I go to bed at 10 PM and wake up at 9 AM every day, and I have to take...

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

A reader asks: I am thinking about using a home purifier with a negative ion generator. The purifier releases about 1 million ions...

Is it possible to have a rare case of extreme advance of sleep, which means you get tired, earlier and earlier in the day,...

A reader asks:  Is it possible to have a rare case of extreme advance of sleep, which means you get tired,...

I experience advanced sleep phase syndrome (ASPS) in addition to SAD. …

A reader asks: I experience advanced sleep phase syndrome (ASPS) in addition to SAD. My understanding of SAD is to treat...

I experience advanced sleep phase syndrome (ASPS) in addition to SAD. My understanding of SAD is to treat it with morning light. My understanding...

A reader asks:  I experience advanced sleep phase syndrome (ASPS) in addition to SAD. My understanding of SAD is to treat...

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