Thank you all for your help. I had typed a long response but somehow lost it. DS' problem is not in getting to sleep, but staying asleep. Once woken by any kind of noise his mind becomes busy and he cannot get back to sleep for hours. Also at times he will begin to wake at, say, 3.12am every.single.morning for a period of time -its like his body clock gets stuck and he will naturally wake at that exact time each morning for weeks - I find it quite bizarre.
Thank you also for the warnings about Melatonin. My reluctance to try it in the past has been because of the warnings I have read at this forum. I will take that into account when trying it out and definately start at a low dose.
As for ADD/ADHD, DS exhibits no signs of this. During the day he can be fatigued and emotional from lack of sleep however.
He is a deep thinker and thinks in ways well beyond his years. He is also quite bright, and a sleep psychiatrist has suggested that children like this tend to not switch off completely at night. Just need to find that Off Button!
Thank you also to the person who reminded me about no screen time 2 hours before bed, we used that last night and opted for audio books instead.
Sewing Mama - thanks for that info. I will ring around today to see if any pharmacies in Perth stock it. I did a ring around about 4 weeks ago and was told no. I also asked my GP who told me he cannot prescribe it and that only specialists can? A sleep specialise once prescribed Melatonin, however when I read the pamplet inside the box, it said not for use under the of 55? So I did not use it.