An electric blanket is one of the warmest blankets a person can use to stay comfortable. They plug into a power source to help keep individuals warm. For added safety, many people use electric blankets featuring an automatic shut-off, as those without this option can be a greater fire hazard.
Other warm blankets include wool blankets that retain body heat and insulate air spaces, down blankets that trap body heat and still remain breathable, and cotton blankets. Heavier soft-textured cotton blankets will be warmer than regular cotton blankets, and they are also breathable, keeping individuals from overheating while they sleep.