Gravity First (GF) Elevated Sleep Solutions is an Inflatable Incline Mattress for people who suffer from Reflux or for anyone who benefits from Head Elevated Sleeping. Unlike short wedges, GF covers the entire bed surface and provides a gentle slope from head to foot. Over 70 million people in the US suffer from Reflux. It is a world wide problem. GF may also help with Post-Operative recovery, Pregnancy, Snoring, Sleep Apnea and Sinus drainage,