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Yes, big questions but nevertheless an interesting hypothesis.
I am a positive person. I sleep only 6 hours a night but they are generally good ones.
I wonder what this test would say about that!
Yes, big questions but nevertheless an interesting hypothesis.
I am a positive person. I sleep only 6 hours a night but they are generally good ones.
I wonder what this test would say about that!
RE: Study Finds That People Who Are More Optimistic Sleep Better