I have never been part of a sleep study but i do have major sleep issues. I sleep walk, sleep eat and have night terrors. Yeah it freaked my wife out when we first got married. I have this condition (all though it has gotten worse with age and stress) most of my life. I think the funnest night i had is my wife banging on the bathroom door wondering why i was in the showing at 2:30am. I was sleep showering!BTW i hear on the running. I cant run more that 4-5 miles 1-2 days a week. I did a half in May and now not so much.