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

Circadian rhythms are the cycles that tell the body when ... the brain area responsible for the circadian clock shows weaker electrical activity as we age, sending muffled messages to the rest ...

This shows how the clock works in a 12-hour cycle, repeating for each part of ... morning and 7 o’clock in the evening. What different activities do you do? At 8 o’clock in the morning ...

Longer daylight in the evenings can also boost economic activity ... light-dark cycle, which can improve sleep quality and overall health. Disruptions caused by the biannual clock changes can ...

PA, SB and sleep are also linked to the 24-hour biological clock that regulates the sleep ... The label time-use (activity) behaviours—or the 24-hour activity cycle—is globally inclusive of all three ...