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Mercola, MD, Joseph.“Do Cold Temperatures Improve Sleep?”http：//articles. mercola.com/sites/articles/archive/2009/12/19/Do-Cold-Temperatures-Improve-Sleep.aspx
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∣延伸阅读∣
http://time. com/3602415/sleep-problems-room-temperature/
http://healthland. time.com/2011/06/17/tip-for-insomniacs-cool-your-head-to-fall-asleep/
www. huffingtonpost.com/dr-christopher-winter/best-temperature-for-sleep_b_3705049.html
www. scientificamerican.com/article/putting-insomnia-on-ice/
www. chronobiology.ch/wp-content/uploads/publications/2006_07.pdf
www. silversurfers.com/health/foxys-fitness/oh-to-sleep/
