Mattresses can trap in heat, causing the sleeper to be hotter and worsening night sweats. Using a cooling mattress pad can help to reduce the amount of trapped heat and give the mattress a cooler and more comfortable feeling. This can help improve sleep for those with night sweats.Mattresses can trap in heat, causing the sleeper to be hotter and worsening night sweats. Using a cooling mattress pad can help to reduce the amount of trapped heat and give the mattress a cooler and more comfortable feeling. This can help improve sleep for those with night sweats.