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Poor sleep may affect heart health

Millions of Americans don't get enough quality sleep. Now a new study shows how that may affect heart health. Dr. Mallika Marshall has details.

Jan 14, 2019 (01:33)

CBS News 24/7

Footage shows fight for control of FlyDubai plane

Footage shows fight for control of FlyDubai plane

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New details in alleged Cornell gang rape case

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Extended interview: Netanyahu on alleged pilot stabbing

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ASU coach on leave after player health incident

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Middle East oil exports rise, prices high

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Supreme Court allows Christa Pike's execution

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Brian Jeansonne on living beyond ALS prognosis

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Supreme Court begins new term

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GOP super PAC diverts millions to Kansas

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Latest on the Ole Miss student deaths

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Tennessee scrambles after botched execution

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Inside a beaver safari in London

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Extended interview: Justice Samuel Alito

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Potential plague case in Russia

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FlyDubai passengers on alleged attacker

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U.S. removes all bombers from U.K. air base

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Democrats, Republicans weigh Trump's economy

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Harlan Coben on new season of "Final Twist"

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