Talk about a slumber setback. It’s not just when you go to bed, but how your head hits the pillow that can significantly influence several aspects of your well-being, from breathing and digestion to spine alignment. And while many prefer two pillows to get a good night’s rest, some people may want to reconsider that position for their health. Those who prefer sleeping with two pillows may want a new position as it could have an unexpected health risk. Viglietti/peopleimages.com – stock.adobe.com Propping up the head with an additional pillow may provide temporary relief from sleep apnea, acid reflux or sinus pressure. But a 2026 study found that this method may not be the best for those with glaucoma , a group of diseases that cause pressure to build up inside the eyeball, damaging the optic nerve and causing permanent vision loss.…