Why do we need pillows? 896 viewsJanuary 3, 2024 Question90.98K May 12, 2020 0 Comments Did our ancestors always sleep with an arm under their head? Why do we need to elevate our heads to sleep? Why does the pillow being soft matter? In: Biology 12 Answers ActiveNewestOldest Anonymous Posted May 12, 2020 0 Comments [deleted] You are viewing 1 out of 12 answers, click here to view all answers. Register or Login
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