The Sunrise-to-Supper Sleep Reset: How Light, Meal Timing, and Cortisol Shape Global Energy

Improving sleep isn’t just about bedtime routines—exposure to morning light, earlier dinners, managing caffeine, and regulating cortisol throughout the day can reset the body’s natural rhythm, enhancing alertness and melatonin production. Treating sleep as a 24-hour cycle may help combat exhaustion in modern, sleepless cities.

The Early-Dinner Advantage: How Morning Light and Meal Timing Can Reset Sleep and Energy

Research shows that aligning meal times and morning light exposure with our internal clock can improve sleep and energy. Eating early and getting sunlight in the morning help regulate hormones like cortisol and melatonin, while late meals and nighttime light disrupt sleep and leave us feeling tired yet alert.