A:AnswerThank you for contacting the Sunbeam® brand. We appreciate the opportunity to respond to your inquiry about the Sunbeam - FlexFit Heated Wrap. Yes, this has Electrical muscle stimulation (EMS). Hope this helps. Have a nice day!
A:AnswerThe Manufacturer does not recommend for sleeping due to potential to burn skin. However, I have worn mine while taking a nap and had no issues.