Your sleep-wake cycle is regulated by your circadian rhythm — a natural internal clock that responds to light and darkness. Getting early morning sunlight (especially within the first 30–60 minutes of waking) helps signal your brain that it’s daytime. For more sleep-related information, visit our website www.sleepresearchfoundation.com #sleepresearchfoundation #BetterSleep #SleepWell #HealthyLiving #Mindfulness" | Sleep Research Foundation