Author: Timothy Hearn, Lecturer, University of Cambridge; Anglia Ruskin University

The body's internal clock influences when people feel sleepy and alert. Researchers are investigating whether differences in these rhythms could help explain responses to antidepressants. Photoroyalty/Shutterstock A person with depression might sleep much longer than usual and still wake feeling exhausted. Later that evening, when they want to go to bed, they may find themselves […]

MAYA LAB/Shutterstock The latest wellness trend and “sleep hack” involves switching off the bathroom light before stepping into the shower. In the dimness, the water feels louder, the day’s visual clutter fades and the hope is that sleep will come more easily. This practice, often called “dark showering”, has spread on social media, with people […]