Why Do We Need Eight Hours of Sleep? episode artwork

EPISODE · Jul 10, 2026 · 11 MIN

Why Do We Need Eight Hours of Sleep?

from CNN 10 · host CNN Podcasts

On this week's Summer Friday episode of CNN10: An update from an aircraft carrier in the Straight of Hormuz after the ceasefire between the U.S. and Iran effectively ended because new strikes erupted this week. Then, we sit down for a candid conversation with Dr. Sanjay Gupta about all things sleep... and how many hours are optimal for your brain. Finally-- we'll show you one teen's thrift find of a lifetime, before highlighting your "10 out of 10" moments on this July 10th. All this and more on this week's CNN10! Learn more about your ad choices. Visit podcastchoices.com/adchoices

On this week's Summer Friday episode of CNN10: An update from an aircraft carrier in the Straight of Hormuz after the ceasefire between the U.S. and Iran effectively ended because new strikes erupted this week. Then, we sit down for a candid conversation with Dr. Sanjay Gupta about all things sleep... and how many hours are optimal for your brain. Finally-- we'll show you one teen's thrift find of a lifetime, before highlighting your "10 out of 10" moments on this July 10th. All this and more on this week's CNN10! Learn more about your ad choices. Visit podcastchoices.com/adchoices

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Why Do We Need Eight Hours of Sleep?

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This episode was published on July 10, 2026.

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On this week's Summer Friday episode of CNN10: An update from an aircraft carrier in the Straight of Hormuz after the ceasefire between the U.S. and Iran effectively ended because new strikes erupted this week. Then, we sit down for a candid...

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