Hi all, just wondering how you formula feeding mamas deal with night feedings. I’m using ready to go similac Alimentum and it needs to be refrigerated within 1 hour after opening.. I’ve been bringing up 4 bottles that I keep in a small portable cooler and then getting up to warm the bottles... this is just super inconvenient for me as baby is screaming by the time I get the bottle in the warmer and change his bum.. what’s everyone else’s night time routine?? Looking for others solution to this. Thanks!

*edit - we use ready made Alimentum, not powdered.