A bed warmer is a special thing you can put on your bed to make it extra cozy and warm. It's like a special blanket that you can heat up so that your bed feels nice and toasty when you get in.
Imagine you're going to bed on a cold winter night, and your bed is like a big cold ice cube. That doesn't sound very comfortable, does it? But if you have a bed warmer, you can turn it on and let it heat up your bed for you. It's kind of like a toaster, but for your bed!
Bed warmers come in all different shapes and sizes. Some are electric, which means you can plug them in and they'll heat up quickly. Others are like little bags filled with special materials that can be warmed up in the microwave or on a radiator. There are even some bed warmers made from natural materials like wheat or rice!
Once your bed warmer is nice and warm, you can put it under your blankets or on top of them, depending on your preference. Then you can crawl into bed and enjoy the cozy warmth.
But remember: Always follow the instructions that come with your bed warmer, and be careful not to overheat it or leave it unattended. Safety first, even when you're trying to stay warm!