sorry, i had a giggle when i read you were in the cot.....u poor thing, at a time when u need rest too....
i agree-what do u get up to in the day with him? (yr prob exhausted!!!). Can you not try some physical activities during the day, that may exhaust him by lunchtime? Should he get 1-2hr good sleep in day, maybe the night will work out better? Even grabbing a icecream contsiner of water, an old paintbrush, and get him outside painting the fence....get his little body and mind going.
I really feel for u......