Soothing Aches with Heated Pet Dog Beds Post from: Training Dogs . Get the latest dog training tips Any dog owner knows how vital sleep is to a dog's mood, energy, and health over the long run. Just think about your own experiences. A good night's rest will let you meet the day's challenges with candor and coolness, and a bad night's rest will make you irritable at the most mundane tasks throughout the day. The same goes for your dog. Giving them fantastic sleep will make all the differen