Detailed text transcripts for TV channel - KGO - 20110209:10:45:00
The cause of sleepwalking. as the bbc jane hughes reports, it could be genetic. >> reporter: she may appear awake, but margaret is fast asleep, being filmed by experts analyzing her problem sleepwalking. she used to get up almost every night of the week, not even walking up when she fell over. with infrared cameras she was observed going into the kitchen and getting food. sometimes she took dangerously high doses of medicine. she remembers the time she discovered she'd been down the road to her neighbor's house. >> she opens the door and thought, she's not awake. so she turned me around and sa...
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