Waking to loud alarms can be a shock to your system, triggering a fight-or-flight response. New research suggests a gentler, light-based wake-up can protect your heart and improve alertness. Gradual light mimics natural dawn, easing the transition from sleep. This method helps reduce morning grogginess and stress hormone spikes, offering a healthier start to your day.from LifeStyle - Latest Lifestyle News, Hot Trends, Celebrity Styles & Events https://ift.tt/WMPsZYo