Sleeping pill
Can't catch 40 — or even 15 — winks? You're not alone. "Sleepless in America," a new documentary from producer John Hoffman, examines how millions of Americans suffer from various disorders that keep them from getting a proper amount of shut-eye. Our solution: an episode of "Mulaney." That should have you in Snoozeville in no time. 7 p.m. Sunday, National Geographic Channel
Wipeout
According to "Mass Extinction: Life at the Brink," a film narrated by Jeffrey Wright, our planet has already survived five mass extinctions, all of them triggered by volcanoes or asteroids. Could the next one be the fault of humans? Top scientists weigh in. 7 p.m. Sunday, Smithsonian Channel
Fear factor
"The O'Reilly Factor" works a weekend shift to preview an encore presentation of "Killing Kennedy," the Emmy-nominated movie based on Bill O'Reilly's book. In addition to the author, star Rob Lowe, Don Imus and Fox anchor Bill Hemmer weigh on one of America's most chilling events. The movie immediately follows the one-hour special. 8 p.m. Sunday, Fox News
Neal Justin
