It is not a term in a horror film. The term vampire router pertains to routers that lose energy or wattage. Many Wireless Router Problems focus on the usability. This problem on the other hand is on mechanical efficiency. Most of the time, routers are turned on 24 hours a day. Well, routers are just electronic devices. Even human beings get tired, of course our devices too. The best solution for this is to turn off the router from time to time. One you can purchase a more energy-efficient router. These are more advisable. They do not consume so much energy and thus, we save some electricity. One must make it a habit to shut down and turn everything off during the off hours. One way to surely be able to do this is to plug PCs, routers, and printers into a power strip, and plug the power strip into a timer. The timer can be set to power off overnight.