My 4 month old baby and his head has become flat mostly from one side and he even turn a lot that side checked for toticollis dr said its normal but it has increased mostly due to sleeping on wedge pillow due vomit or spit now everyone telling me to use a neck countour pillow plz suggest what should I use any soft pillow and how it will become round now and if I use any neck head support what should be the width of that support now i use a soft folded blanket under his head online there are lot of pillow available for flat head but I am confused are they good enough plz send me link or pick of one pillow thank you