I have a newborn (one week old, second child) and he is a fantastic sleeper, but not if I put him down flat on his back or side. He just wakes up and fusses. If I wear him, he'll sleep for hours if I let him. I can also put him down in his car seat and he's fine. He will sleep on my chest as well. I just can't lay him down on the sidecar or bed or he gets upset. He will sleep on his back if he is pressed against me, but I'm scared I'm going to smother him with a boob or lay partly on him or something.
Today I was at my wit's end and had to lay down for a nap, I was so exhausted. I put him belly-down on my chest while I lay on my back in bed and put my hands around him. It was bliss. I think we slept for two hours, but I felt guilty when I woke up. I am absolutely TERRIFIED of SIDS and I've heard from a couple of cosleeping friends that putting baby on your chest is safe, but is this really true? Is it safe for me to sleep at night with my newborn on my chest? I'm pretty aware of him and I don't doubt I would wake up if he started to roll off.
If not, what are some ways I can help him sleep better on his back in the sidecar?
I breastfeed exclusively, do not drink or take drugs or medication, do not smoke and I'm pretty small. I weigh about 120 lbs, 5' tall and C cups.