It's Not Just Light: Assessing the Intrinsic Period of the Human Circadian Pacemaker Under Dim Light Conditions Should Include Non-Photic Influences

Authors

Melissa St. Hilaire, Merrimack College, Brigham and Women's Hospital and Harvard Medical SchoolBrigham and Women's Hospital, Harvard Medical SchoolFollow
Charles A. Czeisler, Brigham and Women's Hospital and Harvard Medical School
Elizabeth B. Klerman, Brigham and Women's Hospital, Harvard Medical School, Massachusetts General Hospital

Document Type

Article

Publication Title

Journal of Biological Rhythms

Publication Date

8-20-2025

Abstract/ Summary

Response to: “Mathematical Analysis of Light-sensitivity Related Challenges in Assessment of the Intrinsic Period of the Human Circadian Pacemaker”