7 negative effects of pillows

Most people prefer to snooze this way. According to the National Sleep Foundation (NSF), 56% of Americans like to do some form of side sleeping, whether it’s in the fetal position or with your legs and torso a little more straight. And per the NPF, there are some solid perks to side sleeping: It can help decrease acid reflux, lessen the risk of back and neck pain and keep your airway open.