![The Experts Speak - An Educational Service of the Florida Psychiatric Society show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/046/591/small/the-experts-speak-an-educational-service-of-the-florida-psychiatric-society.jpg)
Summary: Roger Ekirch, PhD, a professor of history at Virginia Tech, on our different sleep patterns that were normal before the industrial revolution. A fascinating look at sleep patterns, the first and second sleeps, and the social and biological drives and basis of how we sleep.