Stress is not simply a response to acute stressful episodes. It occurs in the brain where a natural rhythmic pattern regulates the stress system of our body, even on a calm day. This rhythmic pattern ...

If you didn’t prepare for Daylight Saving Time, your sleep schedule may be off. CNN wellness expert Dr. Leana Wen offers advice on how to cope with the time change.

Research by scientists at The University of Manchester has revealed that the colour of light has a major impact on how the brain clock measures time of day and on how the animals' physiology and ...

Most of us can tolerate occasional late nights without lasting harm, but they can be deeply destabilising for people with mood disorders ...

Your brain does not start the day at full power. It is shifting from sleep into alertness. During that transition, light, movement, food, hydration, and stress cues begin steering the day. Sleep ...