Hi nutty - this is how Erin has put on weight
born 6lb 14oz
3+5 8lb 7oz (3weeks + 5 days!!)
4+5 9lb 1oz
5+5 9lb 11oz
7+5 10lb 8oz
9+5 11lb 5oz
11+5 11lb 13.5oz
and she is above & below 25th centile
Jack is just huge
hope this helps, I wouldn't wake in the night, but at the mo don't let them go more than 4 hours during the day.