Thanks Sammiejane.
Yes, I took him to the osteopath last week and again yesterday. I think that has helped.
And I have also been trying to be more go with the flow.

I have been going for more walks in the pram, using the sling at home, being more patient with sooting him in my arms etc.

Trish - I have been trying to get him back to sleep after he wakes form his first morning sleep and it has lengthened a little each day.
I am putting him in his bed for his morning sleep so he knows that as a routine for that time of day (overnight we co sleep and by afternoon Im doing errands and school run etc so he has to sleep in car or arms or rocker or sling). I have peeked in o him twice for morning sleeps in last few days and seen him awake but quite and a few mins later when I check again he is asleep! So he can do it and must be feeling quite secure and more comfortable (due to medicine and osteo I think) to be doing that.

I`m quite happy that its improving!!!

Thanks again for help.

btw - i read somewhere that if they wake up crying its cause they are still tired so I have been trying to use that as a guide for whether he is ready to get up or needs to go back to sleep.