Electrically heated mattresses, electrically heated mattress toppers, electrically heated bed linen, electrically heated pillows and electrically heated blankets, other than for medical purposes; electrically heated mattresses equipped with a sleep monitoring devices and recorders as well as regulator of mattress firmness or other mattress parameters; electrically heated pillows equipped with a sleep monitoring devices and recorders as well as regulator of pillow firmness or other pillow para...