Best Pillows for Back Sleepers: For a restful night's sleep, back sleepers must find the ideal pillow. The finest pillows for back sleepers provide the best support to keep the spine properly aligned. These pillows typically have a medium firmness and are shaped to comfortably support the head and neck during sleep, reducing strain or discomfort. Popular options include memory foam and latex pillows because they adapt to the individual shape of the sleeper while providing adequate support.