23
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Earlier was considered what to have dreams it is possible only in a REM phase. Actually they dream us, though is not so bright, also in a slow phase of a dream. Probably, actually we do not sleep a uniform instant.
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47
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Every year, situations and unfortunate mistakes because of a sleep debt manage to the American insurance companies approximately in 56 billion dollars, it become the reason of 25 thousand death, and 2,5 million damages.
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