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[–] Mechanicalmechanic 0 points 2 points (+2|-0) ago 

I was trying to find more information. It said that it was mostly elderly men or women with an occasional police officer who would have this profession. Still doesn't explain who wakes them up.

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[–] someguyfromcanada [S] 0 points 3 points (+3|-0) ago 

Some people do not need waking up really early. I have a couple of friends that can not sleep past 5 a.m. On the other hand, they also can not stay up beyond 9 p.m.