Swedish Posture - Heavy Weight Duvet - Comforter Cotton - Clearance SaleSleep Better, Feel Better with Heavy Weight Duvet Good sleep is essential for recovery and well being. The Heavy Weight Duvet uses Deep Pressure Stimulation (DPS) to help you relax, reduce stress, and fall asleep faster. The gentle weight encourages the release of Oxytocin and Serotonin, your bodys natural feel good hormones, providing a sense of calm and comfort. Heavy Weight Duvet in a Glance Improves sleep quality Helps you reach REM sleep faster.