Scottish folklore by Ayrshire-born Druid and Bard, Stephen G. Rae the @BardCumberland. Published by The FolkLore Press and available in print and ebook.
Giger suffered from chronic night terrors and he used his art as a form of therapy to exorcise the visions in his nightmares. He kept a sketchbook by his bed to quickly capture the 'demons' that visited him.
art: Alien Mural by H. R. Giger