The Crawling Chaos by H. P. Lovecraft and Winifred V. Jackson

THE CRAWLING CHAOS (thelovecraftvault.bandcamp.com/album/the-crawl…) is a short story based on a dream once described to Lovecraft by fellow-author, Winifred V. Jackson, in which the consequences of dabbling with opium were experienced. It was first published in the 1943 collection, Beyond the Wall of Sleep.