Author: Stefano Arlaud, PhD candidate in Time Processing and Metacognition of Time Processing, SBBS, Queen Mary University of London, Queen Mary University of London

Twice a year, around a quarter of the world’s population dutifully reset their clocks. It may seem like a minor adjustment, but some people struggle with fatigue, irritability, and brain fog in the days following the transition. For others — especially night owls — the adjustment period can last for weeks. Circadian rhythms govern many physiological processes in plants, animals and even bacteria, highlighting life’s remarkable sensitivity to changes in environmental conditions. Your biological internal clock is controlled in a small region of the brain called the hypothalamus. It regulates hormone release, body temperature and metabolism. So if your circadian…