My toddler who's 19 month next week has Al of a sudden started screaming through the night and will not resettle 😩 he's been a good sleeper sleeping all the way trough for 12-14 hours a night since 12 month old until 3 nights ago, we've always put him to bed awake for him to settle himself and he's been brilliant doing this, but nope 4 nights ago everytime he goes near his bedroom he does the loudest most piercing scream until you go up and get him, Also the same through the night, he will get out of his bed, got to his door and do the same thing, I try and put him back to bed to sleep and he just screams even louder to the point where he holds hi breath and turns purple!! I'm losing my mind, I'm 25 weeks pregnant and need rest!! Anyone please, who has kids have they gone through this? Why? Any suggestions 😭😩