Thanks Lucy. Tilly is pretty mobile and active, but is not a roller. Did it on the floor a few times at four/five months, but hasn't been interested since. She seems pretty comfy in the hammock (as long as she holds her blankie over her face!!!! Not SIDS friendly!!

After she is asleep I have to come and take it off - although not ideal it is pretty funny to hear her snoring under her green frog blankie! That and rocking only way she falls asleep!) so will keep at it for a while. cheers.