Leesa Sleep | 9,502 followers on LinkedIn. Better sleep, better world: We donate one mattress for every ten sold, because everyone deserves better sleep. | Leesa believes better sleep makes a better world—we manufacture meticulously designed and exceptionally comfortable mattresses using the highest quality materials. When you purchase a Leesa mattress, you are pursuing better sleep for yourself as well as others. Leesa has donated mattresses across America for those who are seeking refuge from homelessness, domestic risk and human trafficking.