Study Context
An experimental hospital-based study evaluating the exact physiological impact of light-emitting e-readers versus printed books on circadian rhythms.
Lead Author and Institution
Dr. Anne-Marie Chang
Harvard Medical School & Brigham and Women's Hospital
Main Results
- 55% suppression of evening melatonin secretion when reading on a screen.
- Delayed circadian clock by approximately 1.5 hours.
Application in Deuswell
Deuswell algorithmically discourages screen interactions an hour before bedtime, switching the UI to zero-blue-light dark mode when night approaches.
