Embedded Player In hour one of Here & Now's April 17, 2017 full broadcast, we discuss sleep — and the problems that can cause us to not get enough — with the founder of the Stanford Center for Sleep Sciences and Medicine. Also, NPR's Ron Elving joins us to take a closer look at Vice President Pence's trip to South Korea, amid rising tensions on the peninsula. And Tesla briefly became the most valuable car company in the U.S. last week. The Atlantic's Derek Thompson joins us to talk about what Tesla's growth says about the future of car technology.