Sleep
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Which city goes to sleep the latest?
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Will the first humans to Mars hibernate their way there?
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Stasis or deep sleep may make Mars trip affordable: NASA
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Under the sea: Not 'Little Mermaid' but where your sleeping pattern may have evolved [Video]
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Scientists discover 'sleep node' in brain that could turn sleep on or off
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Newly discovered sleep circuit is key to getting enough Z’s
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Coffee and naps: A good mix for an alert brain
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Hey teenagers, even your doctors want you to sleep in
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Pediatricians want to start school later in the day
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Disoriented? Confused? You may be sleep drunk
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What does it mean to be sleep drunk?
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Doctors want more sleep for teeners, schools should start no earlier than 8:30 a.m.
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