Oh can I relate to this post! My DS6 had pretty much never really slept through the night.....he stopped napping at about age 2 and when he was between ages 2-4 he pretty much was up 4-5 times a night. He has Sensory Processing Disorder and has extremely sensitive hearing...he can hear things that I can't even hear. So things really bothered him at night and he would wake up at a drop of a pin. We put in a noise machine for him and he picks what sound he wants to listen to at night. He also can't "shut off his brain" - our night ritual is in bed by 8:00 - then we read 4 books and lights out around 8:30 and then my husband and I switch each night....after lights out, he is allowed to talk and share about anything he wants. We have found that he really can't switch his brain off and he will bring up things that I didn't even remember happening earlier in the morning. I actually enjoy this time with him as we snuggle and talk...he is usually asleep by 9:15 or so. We have found that this talking session allows him to release any worries or just help his brain slow down a bit! He still wakes up 1-2 times a night but he is getting better at falling back asleep pretty quickly.