BETTER SPINE ALIGNMENT & REDUCED STRESSES – Sleeping in side positions can result in misalignment of spine and put unnecessary stress and strain on spine, hip, lower back, knees, legs, etc. Research suggests that putting a knee pillow in between your knees can help you achieve the right alignment when sleeping sideways, and thus support the healing action of muscles & ligaments at night. Abco Memory Foam Knee Pillow offers you an incredible solution for such needs!