Dr. Oz Tells Ladies to Sleep Commando 2.60K Arianna Reiche 02/17/10 05:52PM Filed to: dr. oz dr. oz TV Video Dr. Oz knows a thing or two about ladyjunk. In today's segment on all things vaginal, he dropped the tip that cotton underpants are better than synthetic, and that sleeping nude—so your business can breathe—is the healthiest option.