Melatonin 10 mg 90 Tablets Timing Release 5-8 Hours Deep Sleep Tablets are popular among all of products. As for Aid Sleeping 5-8h Melatonin 10 mg 30 Tablets Extended Release Caplet, it’s controlled-release plus extended-release tablet that has a core containing 7.5mg of melatonin and B6 and is wrapped with a extended-release coating.