Goya's 1799 etching, "The Sleep of Reason Produces Monsters," looked to the subconscious long before anyone else did.
The first short about sleep proves that though things change, the universal struggle with sleep stays the same.
The cephalopods have some head-scratching sleep habits.
Joysticking through an artificial world provides gamers with the perfect skill set for taking control of their dreams.
With the comic strip "Little Nemo in Slumberland," which celebrates its 110th anniversary today, the great Winsor McCay changed how dreams were portrayed.
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