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 People in the U.S. have steadily reached for more melatonin over the past couple of decades, with roughly two thirds of adults using it to help them sleep at some point in their Melatonin: What It Is, What It Does & How It Works Thinking About Taking Melatonin? A Sleep Specialist Explains What You Should Know Blog Article CentraCare Melatonin Bad for You TikTok