Dave Davies

Dave Davies is a guest host for NPR's Fresh Air with Terry Gross.

In addition to his role at Fresh Air, Davies is a senior reporter for WHYY in Philadelphia. Prior to WHYY, he spent 19 years as a reporter and columnist for the Philadelphia Daily News, covering government and politics.

Before joining the Daily News in 1990, Davies was city hall bureau chief for KYW News Radio, Philadelphia's commercial all-news station. From 1982 to 1986, Davies was a reporter for WHYY covering local issues and filing reports for NPR. He also edited a community newspaper in Philadelphia and has worked as a teacher, a cab driver and a welder.

Davies is a graduate of the University of Texas.

Nearly 2,000 cities, towns and counties across America are currently participating in a massive multidistrict civil lawsuit against the opioid industry for damages related to the abuse of prescription pain medication. The defendants in the suit include drug manufacturers like Mallinckrodt, wholesale distributors McKesson and Cardinal Health, and pharmacy chains CVS and Walgreens.

DAVE DAVIES, HOST:

This is FRESH AIR. I'm Dave Davies, in for Terry Gross, who's off this week. You might not recognize the name of our guest Stephen Root, but chances are awfully good you've seen his work. He's a character actor who's appeared in nearly 800 TV episodes and a hundred movies and sometimes brief appearances, like one as a bank manager on "Seinfeld" or his short but memorable scenes as the sad sack office worker Milton in the film "Office Space." He's had several recurring roles in TV series over the years, including "The West Wing," "NewsRadio" and "Justified."

Diver and photographer Jill Heinerth has explored unmapped, underwater caves deep in the earth, as well as the submerged crevices of an iceberg. She has seen hidden creatures and life forms that have never been exposed to the light of day.

"Since I was the smallest child, I always wanted to be an explorer — to have an opportunity to go someplace where nobody has ever been before," she says. "As an artist with my camera, it's an incredible opportunity to document these places and bring back images to share with others."

Copyright 2019 Fresh Air. To see more, visit Fresh Air.

TERRY GROSS, HOST:

We tend to think of being asleep or awake as an either-or prospect: If you're not asleep, then you must be awake. But sleep disorder specialist and neurologist Guy Leschziner says it's not that simple.

"If one looks at the brain during sleep, we now know that actually sleep is not a static state," Leschziner says. "There are a number of different brain states that occur while we sleep."

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