For side sleepers, upper leg leans forward, spine is rotated, knees rub each other, hip joints twist, result in back, knee and sciatic nerve pain, such pain is more obvious for the pregnant who contin more→ue to gain weight during pregnancy. Place Momcozy knee pillow between knees, correct spinal position, align legs and hips, avoid knee friction, sleep in a correct sleeping posture, get rid of painful pressure! Soft Support Memory Foam, Continuous Deep Sleep: Slow rebound memory foam will shape according to body temps and pressure, give full support from thigh to knee to calf, evenly disperses pressure, relax muscles, improve blood circulation, effectively relieve sciatica, knee or back pain, good …