Russian Tea Glass Holders called podstakannik (Russian: подстака́нник, literally "thing under the glass"), or tea glass holder. Their primary purpose is to be able to hold a very hot glass of tea, which is usually consumed right after it is brewed.
This is truly creepy and uses something that we all depend on against us. It's crazy to think that sleep it self holds our sanity. But that's all creepypastas crazy creepy stories that haunt our dreams.