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If you can be comfortable laying directly on the mat, then that's what you do. But if you do choose to place your Ground Therapy Sleep Mat under your sheet, just make sure your sheet is made of 100% natural fibers.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.