THE MOST LUXURIOUS PLUSH WEIGHTED BLANKET YOU CAN BUY : Weighted blankets are significantly heavier than standard comforters, duvets, quilts. These blankets help improve sleep quality because they promote the production of melatonin, a natural hormone that controls your natural sleep cycle. They also facilitate production of ‘happiness hormones’ that can have a calming effect on the nervous system. In addition to benefits for sleepers, can also alleviate stress and anxiety for many with AUTISM