I am waiting on a final decision on Ds 4.5 on what he has ( they are just waiting for nursery report) .
We saw the specialist last month & he said he was pretty certain that he has Asd/Adhd & Ocd 
but can not confirm until he has spoken to nursery & will then confirm at his next appointment in September & take the necessary steps to helping me & Ds .
Ds does not sleep he can manage on 2 hours & it doesn't bother him 
, he often does all nighters & can not be left to fend for or amuse himself as he is uncontrollable so im also doing all nighters with him at least 3 times a week , he doesn't sleep through the day either .
I just can't do this anymore , im so tired & his behaviour is beyond a joke , constantly punching me & swearing at me
Its not that he is distracted by anything in his room etc that is keeping him awake , he just isn't tired , he even does 4 days full time nursery 8.30-3.45 & even this doesn't tire him out , nor does running round in circles persistently for 2 hours 
I just can't tire him out .
The specialist said that if he was still having sleep problems then he will prescribe him some Melatonin.
I can't do this til September though I can barely manage another minute of it , surely their is something I can do , I need sleep