https://blog.wongcw.com/2022/05/02/%e7%a7%91%e5%ad%b8%e5%ae%b6%e7%99%bc%e7%8f%be%e4%b8%ad%e8%80%81%e5%b9%b4%e7%9a%84%e7%90%86%e6%83%b3%e7%9d%a1%e7%9c%a0%e6%99%82%e9%95%b7%e4%b8%8d%e9%9c%80%e8%a6%81%e9%95%b7%e5%88%b0%e6%99%ae%e9%81%8d/
科學家發現中老年的理想睡眠時長不需要長到普遍認為的8小時