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Some psychologists suggest that sleep has evolved in order to allow humans to dream

2 Answers

3 votes
True, haven't a clue why'd they think that, though. I just took the test and it said that it was true.
Have a nice day!
User Oleg Nenashev
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5 votes
True it is true I think I may be wrong.If I am please point it out.
User Klynch
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