"Oh, the terrible struggle that I have had against sleep so often of late; the pain of the sleeplessness, or the pain of the fear of sleep, and with such unknown horror as it has for me! How blessed are some people, whose lives have no fears, no dreads; to whom sleep is a blessing that comes nightly, and brings nothing but sweet dreams."
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Source : Bram Stoker (2015). “Classic Horror Collection: Dracula, Frankenstein, The Legend of Sleepy Hollow, Jekyll and Hyde, & The Island of Dr. Moreau”, p.134, Xist Publishing