Continue to be aligned even though moving: Move your entire body as just one unit when turning in mattress instead of twisting or bending at the waist. Keep your ears, shoulders, and hips aligned, pull in and tighten your belly, and bend your knees towards your chest while you roll https://www.theorthopaedicandpainpractice.com/the-best-sleeping-positions-to-relieve-neck-pain/