BMC’s Yawkey building doors are now closed as an entrance as part of our ongoing efforts to enhance our campus and provide you with the best clinical care.

All patients and visitors on our main campus must enter our hospital via Shapiro, Menino, or Moakley buildings, where they will be greeted by team members at a new centralized check-in desk before continuing to the hospital. We are excited to welcome you and appreciate your patience as we improve our facilities.

Circadian Rhythm Disorders


Your circadian rhythm is your "internal clock," which tells you when it's time to sleep or be awake. If your circadian rhythm is out of sync with your environment, it might impact your daily life and cause daytime tiredness, anxiety, insomnia, and problems with memory.

The types of circadian rhythm disorders are:

  • Advanced sleep-wake phase disorder, when you fall asleep in the early evening
  • Delayed sleep-wake phase disorder, when you fall asleep very late at night
  • Irregular sleep-wake rhythm disorder, where you have several short periods of sleep and being awake
  • Non-24-hour sleep-wake rhythm disorder, where your circadian rhythm is not aligned to the 24-hour day

If you have one of these disorders, your doctor will likely recommend a combination of healthy lifestyle changes and good sleep habits, light therapy, and medications such as melatonin. 

Departments and Programs Who Treat This Condition

department

Sleep Disorders Clinic

The American Academy of Sleep Medicine-accredited Sleep Disorders Center at Boston Medical Center provides comprehensive diagnosis and treatment services for individuals with a fu…
Sleep Disorders Clinic
department

Neurology

The Neurology Department offers a full spectrum of neurological care for all neurological disorders, from epilepsy to headaches to Alzheimer’s disease. Our robust research program…
Neurology