From candles that drop metal nails to the knocker uppers of industrial Britain, people devised plenty of cunning tricks to ensure a timely wake-up before alarm clocks came along.
Martha Stewart on MSN
6 common habits of people who wake up early
What separates early risers from the rest of us.
Add Yahoo as a preferred source to see more of our stories on Google. Credit: Shutterstock / Gorodenkoff Credit: Shutterstock / Gorodenkoff Waking up early is hard for most people in this busy world.
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