The Best Knee Pillows For Side Sleepers | HuffPost Life Nov 04, 2022 · As a side sleeper and sufferer of occasional sciatica pain, I’ve spent my fair share of time upgrading my sleeping setup to get much-needed relief while I slumber. One of the most effective changes I made was incorporating the use of a knee pillow, which, according to Beth Terranova, a physical therapist at New York City’s Strength and Spine, helps significantly in achieving a healthy ...