My 6 year old daughter has been doing this sniffle/snort thing for about four months, and it has now progressed into gasping for air frequently during the day. She does not wheeze, and it is not a sigh. She does snore when she sleeps as well. She says she feels like she can t breathe sometimes and like there is something in her nose, but when she blows her nose, nothing comes out. She is getting very self conscious about it, and I am very concerned about all of it. She is scheduled to have an endoscopy done soon, but I am curious what it could be prior to her appointment.