Also part of the UPMC family:
Also part of the UPMC family:

Timothy H. Monk, PhD, DSc

  • ​Director, Human Chronobiology Research Program at the Western Psychiatric Institute & Clinic of UPMC
  • Professor, Psychiatry at the University of Pittsburgh School of Medicine

Dr. Monk’s research has focused on the human circadian clock and its influence on alertness, sleep, mood and performance.  He is a full-time researcher and educator in the field of human sleep and circadian rhythms, concerned mostly with the consequences of circadian dysfunction as occasioned by aging, depression, abnormal work hours, jet-lag and spaceflight.  His sleep experiments have flown aboard Space Shuttle Columbia and Space Station Mir.

As a nationally recognized sleep expert, Dr. Monk has written and reviewed over 150 articles and has authored six books.  He has appeared on CBS News and NPR and has been quoted in the New York Times and the Chicago Tribune.

Dr. Monk is a member of various professional and academic organizations, including the American Psychological Association and the American Psychological Society.  He received his bachelor’s degree in 1971 and doctoral degree in 1974, both from the University of Nottingham, England.

Find a Doctor

Browse UPMC doctors and medical professionals to find the care that's right for you. Customize your search by specialty, zip code, last name, and more.

Visit the UPMC Find a Doctor website.
Make an Appointment

Find important information on scheduling your appointment or finding a doctor or service that meets your needs.

Request an appointment now.
Find a Location

Browse addresses and contact information for our network of hospitals, specialty care practices, and community health locations.

Find a UPMC location near you.
Pay Your Bill

Learn more about how to pay your UPMC bill. Find resources including payment methods and contact information for assistance.

Pay your bill now.
Find a Career

Advance your career with UPMC. Discover our latest job listings and learn about our values and career pathways.

Find your ideal career at UPMC.