Sleeping

August 22, 2014, 6am PDT
Brian Wilt, a data scientist at Jawbone, the company behind many fitness trackers, aggregated sleeping patterns of people across the world to see how people's sleeping cycles compare.
Vox
December 5, 2013, 7am PST
As federal investigators focus on the likelihood of human error being the cause of the Dec. 1 derailment that killed four passengers, attention has been placed on the federal requirement for all railroads to install positive train control systems.
The Wall Street Journal - New York
December 4, 2013, 5am PST
With the train's black box showing that the speeding commuter train entered a 30 M.P.H curve at 82 M.P.H, causing the derailment, attention has turned toward the engineer. CNN reports that the engineer admits to "nodding off" before the crash.
The New York Times - N.Y. / Region
May 22, 2008, 5am PDT
<p>An outreach counseling group in Santa Barbara, California, has worked with the city to set up 12 parking lots where people can sleep in their cars at night -- an act that is illegal on city streets.</p>
CNN