But did you know that more than 5,000 house fires each year are caused by faulty electric blankets?
In most instances, the electric blanket was already showing signs of needing to be replaced - but would you know what these signs are?
Bedding specialists Sleepy People have put together an infographic which highlights 7 signs which quickly and easily show that a blanket shouldn't be used.
It really isn't worth taking a risk when you can get a new electric blanket like the Silentnight Comfort Control Electric Blanket for £21.99.
It's definitely better to be safe (and warm) than sorry.