1 item in this article 1 item on sale! His and hers Purple Harmony pillows. Photo: Amelia Jerden Throughout my career as a sleep writer, one pillow — the Purple Harmony — has always stood out among the dozens I’ve tested. I’ve written about it extensively at the Strategist, naming it our best pillow for back sleepers and the best latex pillow and including it in our guide to the best cooling pillows . I’ve also recommended it to every friend or family member who asks, convincing many of them to