Mental health tends to change over the course of the day, a new study shows. The findings suggest it may make more sense to ...

A 2023 study that included data from nearly 500,000 participants found that adults who slept more than nine hours per day ...

Medically reviewed by Kayla Girgen, RD Persistent sleep struggles, especially due to insomnia, can be a major disruption to ...

Mental health forms a crucial component of overall well-being, yet many conditions remain undiagnosed or misunderstood.

Dec. 18, 2024 — Research finds connections between mood and circadian rhythm disruptions in study using Fitbit data from hundreds of medical ... Sleep Apnea Linked to Changes in the Brain Dec.

Researchers have identified a second dopamine-driven "clock" in the brain that works alongside the biological 24-hour cycle, ...

New research suggests that mood swings in bipolar disorder are regulated by two clocks: the body’s 24-hour circadian rhythm ...