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 Sleeping Pills: How They Work, Side Effects, Risks & Types What Melatonin Dosage is Safe to Take? Is melatonin the answer to getting better sleep at night? Sleep experts caution against its long term use for insomnia. It might help you fall asleep in the short term, but it's better Did you know that Melatonin isn't a sleep Vitamin ?