Some of Lovecraft's work was inspired by his own nightmares. His interest started from his childhood days when his grandfather would tell him Gothic horror stories.
Lovecraft's most significant literary influence was Edgar Allan Poe. He had a British writing style due to his love of British literature. Like Lovecraft, Poe's work was out of step with the prevailing literary trends of his era. Both authors created distinctive, singular worlds of fantasy and employed archaisms in their writings. This influence can be found in such works as his novella The Shadow Over Innsmouth[60] where Lovecraft references Poe's story ‘’The Imp of the Perverse’’ by name in Chapter 3, and in his poem "Nemesis", where the "…ghoul-guarded gateways of slumber"[61] suggest the "…ghoul-haunted woodland of Weir"[62] found in Poe's "Ulalume". A direct quote from the poem and a reference to Poe's only novel The Narrative of Arthur Gordon Pym of Nantucket is alluded to in Lovecraft's magnum opus At the Mountains of Madness. Both authors shared many biographical similarities as well, such as the loss of their fathers at young ages and an early interest in poetry.