Ds (11 months) has started to scrunch up his eyes often a bit like he's flinching and puts his head back, but it doesn't seem to be a discomfort thing. Sometimes he'll do it when he's eating something with a surprising taste or chilly -whatever- , sometimes while laughing, most often when he is very tired. DH thinks it's just a tick of some sort but thinks we should pop him down to the GP for peace of mind. Does anyone else's lo do this?