We're very close to establishing breastfeeding (only 1 bottle a day now) and now we've got a heatwave! How do you make sure your baby is getting enough fluid? I'm finding the heat is making her sleepy and occasionally she'll wake up hungry, feed for a few minutes but then she seems to get too warm and cosy while I'm holding her and then she'll fall asleep. I'm worried she's not getting enough but she's having wet nappies. Any tips?