What temperature setting should I choose if I want to use my electric blanket all night? Issy 24 November 2021 11:57 Updated If you are using the blanket all night, use it at temperature setting 4 or lower, for your safety and comfort. Related articles Feature Video User Manual How can my electric blanket be secured to the bed? What does Error Code 'P' mean? The indicator light is on when I look at the display, but my heated throw is not warming up Comments 0 comments Article is closed for comments.