Give melatonin to kids..?

Katelyn • My name is katelyn I am 28 yrs old and the hubby is Charles. He is 31 yrs old. We have 2 boys age 8 and 2. And pregnant with our 3rd -its a girl!
Who here has young children that have problems sleeping at night and staying on a regular sleep schedule? Have u ever gave ur kids melatonin? My son has probs sleeping last night he slept an hr and slept 5hrs today. On a good schedule he will sleep 12 hrs a night...