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jjxytc鐵蟲 (小有名氣)
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【轉(zhuǎn)帖】BMJ：充足睡眠使人外表更迷人
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一般人常會說晚間10時至凌晨2時是睡“美容覺”的黃金時間。據(jù)臺灣“今日新聞網(wǎng)”16日報道，瑞典研究人員證實，除了精心打扮能增加人的外在吸引力外，充足的睡眠更能使人較為較康，且是為美麗加分的關(guān)鍵因素。 瑞典斯德哥爾摩的卡羅琳斯卡研究所(Karolinska Institute)針對23名18歲到31歲的男女自愿受試者，請他們在第一天晚間11時前入睡，次日7時準時起床，在睡滿8小時后拍攝第一張素顏照。 第二天則只讓受試者睡5個小時，并在他們維持清醒后的31小時后拍攝第二張素顏照；此外，除了要求受試者的兩組照片必須保持表情放松外，相機與人物也須維持相同距離。之后，研究人員邀請到65位民眾針對受試者前后兩張照片的吸引力做比較；研究結(jié)果顯示，民眾普遍認為第二組照片中的受試者看起來較不健康，吸引力也相對降低。 對此，主持此項研究的亞克索森(John Axelsson)表示，充足的睡眠除了能改善生理健康，也會提升外在吸引力；換句話說，“如果想看起來迷人，上床睡覺吧！”（生物谷Bioon.com） 生物谷推薦原文出處： BMJ doi: 10.1136/bmj.c6614 Beauty sleep: experimental study on the perceived health and attractiveness of sleep deprived people John Axelsson, researcher12, Tina Sundelin, research assistant and MSc student2, Michael Ingre, statistician and PhD student3, Eus J W Van Someren, researcher4, Andreas Olsson, researcher2, Mats Lekander, researcher13 Abstract Objective To investigate whether sleep deprived people are perceived as less healthy, less attractive, and more tired than after a normal night’s sleep. Design Experimental study. Setting Sleep laboratory in Stockholm, Sweden. Participants 23 healthy, sleep deprived adults (age 18-31) who were photographed and 65 untrained observers (age 18-61) who rated the photographs. Intervention Participants were photographed after a normal night’s sleep (eight hours) and after sleep deprivation (31 hours of wakefulness after a night of reduced sleep). The photographs were presented in a randomised order and rated by untrained observers. Main outcome measure Difference in observer ratings of perceived health, attractiveness, and tiredness between sleep deprived and well rested participants using a visual analogue scale (100 mm). Results Sleep deprived people were rated as less healthy (visual analogue scale scores, mean 63 (SE 2) v 68 (SE 2), P<0.001), more tired (53 (SE 3) v 44 (SE 3), P<0.001), and less attractive (38 (SE 2) v 40 (SE 2), P<0.001) than after a normal night’s sleep. The decrease in rated health was associated with ratings of increased tiredness and decreased attractiveness. Conclusion Our findings show that sleep deprived people appear less healthy, less attractive, and more tired compared with when they are well rested. This suggests that humans are sensitive to sleep related facial cues, with potential implications for social and clinical judgments and behaviour. Studies are warranted for understanding how these effects may affect clinical decision making and can add knowledge with direct implications in a medical context. |
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