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Never walk near the bed; to a ghost your ankle is your most vulnerable part-once in bed, you're safe; he may lie around under the bed all night, but you're safe as daylight. If you still have doubts pull the blanket over your head.

F. Scott Fitzgerald (2015). “The Complete Works of F. Scott Fitzgerald: Novels, Short Stories, Poetry, Articles, Letters, Plays & Screenplays: From the author of The Great Gatsby, The Side of Paradise, Tender Is the Night, The Beautiful and Damned, The Love of the Last Tycoon, The Curious Case of Benjamin Button and many other notable works”, p.203, e-artnow
Never walk near the bed; to a ghost your ankle is your most vulnerable part-once in bed, you're safe; he may lie around under the bed all night, but you're safe as daylight. If you still have doubts pull the blanket