how much melatonin for sleep
Westbound travel : Melatonin for 4 days at bedtime when in the new time zone. Sleep disorders : Difficulty falling asleep : Melatonin 5 mg 3 to 4 hours before an imposed sleep period over 4 weeks. Difficulty maintaining sleep : A high dose, repeated low doses, or a controlled-release formulation. Children 6 months to 14 years of age with sleep disorders : Melatonin 2 to 5 mg has been used.