Hi there, I remember reading an interesting article about impaired Paediatric breathing a while ago and its profound cognitive effects. Might help the guy that asked the question on your live chat the other day about his child's breathing. https://www.sciencedirect.com/science/article/abs/pii/S1389945718300376- bit dense but the abstract informs you of what you need to know and the importance what Dave is teaching us from a very young age.