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WANG CHIH CHING’s Kindle Notes & Highlights
為什麼要睡覺?:睡出健康與學習力、夢出創意的新科學
, by
Matthew Walker
8%
咖啡因的作用在於搶奪了腦中本該接收腺苷的位置(受體)。咖啡因一旦占據了這些受體後,並不會像腺苷一樣讓你想睡,相反的,咖啡因擋住這些受體,並有效的使受體不活躍,發揮掩蓋劑的作用,就好像你把手指插入耳朵中,把聲音隔絕掉的情形一樣。咖啡因藉由占領、綁架這些受體,阻擋了平常由腺苷對腦發送的想睡訊號。結果就是你被咖啡因欺騙,覺得清醒警覺,而不管腦中其實有高濃度的腺苷存在,你本來應該會覺得很想睡覺。
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See WANG CHIH CHING’s notes & highlights
為什麼要睡覺?:睡出健康與學習力、夢出創意的新科學
by
Matthew Walker
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