My 3 year old daughter seems fine all day but at bedtime, she keeps saying she has to blow her nose and not much comes out. She has post nasal drip cos after every 1/4 box of Kleenex, she finally falls asleep but then wakes up suddenly after an hour, like she s choking, then cries and whole process repeats, all night, every night for weeks. We have elevated her pillows, been to dr 3 times and said she has no infections and all is clear. Now what? How can we all get sleep... It s been 8 weeks now?.