<p>"Beyond the Wall of Sleep" is a science fiction short story by American writer H. P. Lovecraft, written in 1919 and first published in the amateur publication Pine Cones in October 1919.<br>An intern in a mental hospital relates his experience with Joe Slater, an inmate who died at the facility a few weeks after being confined as a criminally insane murderer. He describes Slater as a "typical denizen of the Catskill Mountain region, who corres...