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Scandinavian bed and rise times in the Age of Enlightenment and in the 21st century show similarity, helped by Daylight Saving Time. (arXiv:1909.02336v1 [q-bio.OT]) http://arxiv.org/abs/1909.02336
Scandinavian bed and rise times in the Age of Enlightenment and in the 21st century show similarity, helped by Daylight Saving Time. (arXiv:1909.02336v1 [q-bio.OT]) http://arxiv.org/abs/1909.02336