Do you function well on fewer than six hours of sleep a night? You may be among a group of people known as “short sleepers.” Scientists recently found that as much as 30% of the US population may be in this group, but they still don’t know what determines how much sleep an individual needs.

Learn more at Medical Daily:

short sleepers

若果只有少於六小時的睡眠,你還能保持清醒去處理日常事務嗎?如果你的確可以,你可能屬於 「短睡者」這一群。

科學家最近發現,美國人口中多達30% 是「短睡者」,但他們仍然不知道是什麼因素決定個人所需的睡眠時間。


short sleepers