Sunrise, midday and sunset do 3 very different things to your body… ☀️👇🏽 🌅 SUNRISE — Set your circadian rhythm • Morning outdoor light is a powerful signal to your circadian system that the day has begun • Helps suppress remaining melatonin and promote daytime alertness • Regular morning light exposure can advance circadian timing, supporting earlier sleep timing at night • Even an overcast morning outdoors is generally far brighter than normal indoor lighting ☀️ MIDDAY — UVB Vitamin D • UVB