Calm and Relax Your Mind: Natrol Advanced Sleep Melatonin + 5-HTP is scientifically formulated bi-layer tablet designed to reduce common sleep issues including a racing mind, difficulty falling asleep and problems sleeping through the night Fall Asleep Faster: An initial 3mg quick release dose of Melatonin quickly absorbs into your body and helps you fall asleep quickly without the need for additional sleeping medication Get Enough Sleep: The second layer of this easy to swallow tablet releases a second dose of 3mg Melatonin, that gradually helps you sleep through the night; 50mg of 5-HTP helps to relax your mind