Saturday, September 21, 2019

I am 34 years old and have a long history of difficulty sleeping. My doctor diagnosed me with delayed sleep phase disorder (DSPD). It...

A reader asks:  I am 34 years old and have a long history of difficulty sleeping. My doctor diagnosed me with delayed sleep phase disorder...

I am traveling to a time zone that is 12 hours ahead. I will be in that time zone for 12 days (traveling east...

A reader asks:  I am traveling to a time zone that is 12 hours ahead. I will be in that time zone for 12 days...

I have just been diagnosed with delayed sleep phase. My body clock tries to make me sleep from 2 a.m. until 10 a.m., but...

A reader asks:  I have just been diagnosed with delayed sleep phase. My body clock tries to make me sleep from 2 a.m. until 10...

I suffer from delayed sleep phase syndrome (DSPS) and for years have been using a bright light and radio on a timer to wake...

A reader asks:  I suffer from delayed sleep phase syndrome (DSPS) and for years have been using a bright light and radio on a timer...

Several of my siblings suffered with severe cases of infectious mononucleosis. They all experienced delayed sleep phase, but this symptom of mono seems to...

A reader asks:  Several of my siblings suffered with severe cases of infectious mononucleosis. They all experienced delayed sleep phase, but this symptom of mono...

What is delayed sleep phase disorder (DSPD)?

A reader asks:  What is delayed sleep phase disorder (DSPD)? Answer: DSPD is a circadian rhythm disorder in which the internal body clock is synchronized abnormally late...

Do most people respond to light therapy even at the “right time” for phase advances or delays? Does it need to be done at...

A reader asks:  Do most people respond to light therapy even at the "right time" for phase advances or delays? Does it need to be...

I have suffered from delayed sleep phase syndrome since I was a little girl. I am now 46 and suddenly too old to live...

A reader asks:  I have suffered from delayed sleep phase syndrome since I was a little girl. I am now 46 and suddenly too old...

I think I have delayed sleep phase syndrome (DSPS). I took the Automated Morningness-Eveningness Questionnaire and got some interesting suggestions I’d like to try....

A reader asks:  I think I have delayed sleep phase syndrome (DSPS). I took the Automated Morningness-Eveningness Questionnaire and got some interesting suggestions I'd like...

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 live in an apartment...

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