Oh gawd, the awful night sweats pp! The first night it happened, i woke up thinking I had peed the bed. Was definitely glad i had a waterproof protector on there.
Here are some waterproof options from JCP, you can also check BB&B.
http://www.jcpenney.com/dotcom/for-the-home/departments/furniture/categories/mattresses/mattress-pads-toppers-/cat.jump?id=cat100250071&deptId=dept20000011&subcatId=dept20000012&N=4294964301