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Otto Warmbier, a student who has been imprisoned by North Korea, was set free
Otto Warmbier, a student who has been imprisoned by North Korea, was set free

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    Unresponsive wakefulness explained

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Unresponsive wakefulness explained

Otto Warmbier, the college student who was detained in North Korea for more than a year, was in a state of "unresponsive wakefulness" said doctors at the University of Cincinnati Medical Center. CNN's Sanjay Gupta explains.

Unresponsive wakefulness explained

Otto Warmbier, the college student who was detained in North Korea for more than a year, was in a state of "unresponsive wakefulness" said doctors at the University of Cincinnati Medical Center. CNN's Sanjay Gupta explains.