Sleep we have lost: pre-industrial slumber in the British Isles.
Ekirch
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D000203:Activities of Daily Living / Q000523:psychology; D004325:Dreams / Q000502:physiology / Q000523:psychology; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D018594:Human Body; D040821:Human Characteristics; D008019:Life Style / Q000208:ethnology; D012146:Rest / Q000502:physiology / Q000523:psychology; D012890:Sleep / Q000502:physiology; D012894:Sleep Stages / Q000502:physiology; D012895:Sleep, REM / Q000502:physiology; D006113:United Kingdom