Sleep Debt? Yeah, Yeah, but You Can't Get It.

"Apparently This Matters" is CNN Tech's weekly, offbeat look at stories trending on the Web and social media. Today, Jarrett ponders why sleep experts say we need eight hours a day to recover from stress-induced loss of sleep. A Stanford expert says it can take 18 months for an executive to get back in touch with his or her body after being under so much pressure. "Apparently This Happens" airs Monday through Friday at 10 p.m. ET/PT.