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Does the time of day matter when undergoing surgery? …

A reader asks:  Does time of day matter when undergoing surgery? I realize that a patient is at the mercy of...

I would like to know what to do about my severely advanced circadian rhythm!

A reader asks:  I would like to know what to do about my severely advanced circadian rhythm! Answer: Here are some strategies: (1)...

I am considering using a light box to adjust my circadian rhythm, which is now severely delayed. …

A reader asks: I am considering using a light box to adjust my circadian rhythm, which is now severely delayed. I...

Do people who suffer from SAD usually have circadian rhythms that are somewhat “off”? …

A reader asks: Do people who suffer from SAD usually have circadian rhythms that are somewhat "off"? I am just curious...

Is it true that for society in general, people have a mind of their own by disrespecting or not taking account of their circadian...

A reader asks:  Is it true that for society in general, people have a mind of their own by disrespecting or...

Is there an ideal number of minutes after actual sunrise for the earliest morning sun to have an optimal effect on SAD and circadian...

A reader asks:  Is there an ideal number of minutes after actual sunrise for the earliest morning sun to have an...