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We’re Bilbo, heading off to perpetual war, in The Hobbit‘s latest trailer.

Quote of the Day:

Before this electrically illuminated age, our ancestors slept in two distinct chunks each night. The so-called first sleep took place not long after the sun went down and lasted until a little after midnight. A person would then wake up for an hour or so before heading back to the so-called second sleep.

It was a fact of life that was once as common as breakfast—and one which might have remained forgotten had it not been for the research of a Virginia Tech history professor named A. Roger Ekirch, who spent nearly 20 years in the 1980s and ’90s investigating the history of the night. As Prof. Ekirch leafed through documents ranging from property records to primers on how to spot a ghost, he kept noticing strange references to sleep. In “The Canterbury Tales,” for instance, one of the characters in “The Squire’s Tale” wakes up in the early morning following her “first sleep” and then goes back to bed. A 15th-century medical book, meanwhile, advised readers to spend their “first sleep” on the right side and after that to lie on their left. A cleric in England wrote that the time between the first and second sleep was the best time for serious study.

From Decoding the Science of Sleep.