We are on month three of my son waking at 2am and despite trying everything we can think of ,we cannot get him to go to sleep again until the next night.!hes severely autistic and aged 5,completely non verbal.,no understanding of instruction or of anything we say.its destroying everyones sleep in our home and is truly awful.he runs around screaming laughing and jumping on everything and anyone .has anyone any advice on getting him back to sleep?he takes melatonin x2 before bed to get him to sleep ,takes an hour to work but then he still awakens.