Melatonin tells your body when its time to sleep, but too much screen time can lower its levels. Most people take before bed, but timing also matters! Taking it 1 2 hours before bedtime in Sleep Disorders and Roles of Melatonin and Cortisol Levels At Home Health Tests Melatonin and Sleep Gateway Psychiatric Melatonin and Sleep Gateway Psychiatric If you're struggling with sleep, it's important to understand whether the issue is falling asleep, staying asleep, or not getting restorative sleep. There are different approaches depending on what your body actually Delayed sleep phase disorder (DSPD) and control group differences in Download Scientific Diagram