Hi I’m at the end of my teather my 20month old has a routine and does go down to sleep well most days however past 2 month she gets up and night screaming having a tantrum every night and will not settle back to sleep until we’ve got her in bed with us that’s the last option I’ve tired giving her milk siting everything but she will not settle it’s getting to much now, she’s in her cot standing up screaming what can I do? Help