For many people, something as normal as eating can be a constant struggle, an obsession, or an out-of-control nightmare. Every night, 21-year-old Jessica sleepwalks to the kitchen and consumes up to 1500 additional calories...and cannot control it. With the aid of a sleep clinic, will Jessica finally get to the bottom this unusual problem before she permanently damages her health? Meanwhile, 25-year-old Patrick is so obsessed with vinegar that he drinks seven or more cups every day. He drowns his food in it and drinks the acidic liquid by the glassful. But will disturbing news from a doctor convince Patrick to give it up?