The Cool Sleep Smart Mat is a patented mat that you place on top of your mattress or pillow, or under your sheets - and when you lie on it you'll enjoy a virtually instant cooling effect. This is because the unique heat absorbing gel within the mat absorbs body heat, reducing your temperature and allowing you to enjoy a cool, relaxing and comfortable night's rest. Suitable for women experiencing hot flushes, or simply for those who aer 'hot sleepers' who require cooling fans or air-conditioners to sleep. As the cool sleep mat does not require electricity or batteries and is completely silent, there is also no partner disturbance such as with a fan or air conditioners that may only suit one person.