13 week old DS is EBF, happy growing well etc. Has a bit of reflux but just mechanical, very passive spitting up and no crying or discomfort. During day feeds and then either falls asleep in my arms and will sleep soundly and silently for an hour or so or will go down in sling equally fine. At night however after feeds I hold him upright for a good half hour each time (exhausting as he feeds every 2 hours so don’t get much time off in between feeds!) but even after held up and burped well will then wriggle and shuffle all night constantly, despite repeat check doesn’t need to burp again etc. He’s fast asleep in the crook of my arm in bed with me but I can’t sleep due to the constant wiggling! Yet during day when asleep in arms in exactly the same position ie recumbent he doesn’t do it. I’ve tried using Colief and Infacol at night but doesn’t seem to change things. Just can’t work out why such a different picture at night when during day is so still and silent when asleep...any ideas??