Best Mattress Topper for Stomach Sleepers: Designed specifically with stomach sleepers in mind, this mattress topper offers optimal support for proper spinal alignment. Its medium firm density provides a balanced level of comfort, preventing your body from sinking too deeply into the mattress. Say goodbye to morning aches and pains and wake up feeling refreshed with this top-rated mattress topper. The top layer of gel memory foam and the supporting middle layer with airflow channels provide cooling effects that help maintain a comfortable climate while sleeping. Include anti-allergy coverings.