Jawbone UP Data Shows How Many Woke Up During the Napa Earthquake

The 6.0-magnitude earthquake that struck the Napa region of Northern California on Sunday was the strongest the area has seen in 25 years

The quake was so strong, in fact, that it woke many in the region — as we learned from a sudden change in the sleeping patterns of people nearby, thanks to data collected by Jawbone UP fitness trackers.

See also: Mashable Readers Describe the Napa Earthquake

The data slope shows users gradually falling asleep past 9 p.m. local time in all four of the measured areas. Jawbone UP tracks when wearers fall asleep and when they wake up, based on changes in movement. Read more...

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