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Teachers get ___1___ at students—they don’t pay attention, they’re sleepy, they have bad attitudes. But improvement could be a matter of timing—just start school later. That’s according to a study in the Archives of ___2___ and Adolescent Medicine.
Beginning at adolescence, kids have what’s called a ___3___, where they start sleep later and sleep later in the morning. And they need plenty—about nine-and-a-quarter hours a night.
The researchers evaluated 201 Rhode Island high school students whose school ___4___ its start time from 8 to 8:30. The kids completed a sleep habits survey before and after the time change.
After the delayed start, the percentage of students who said they got at least eight hours of sleep a night jumped from about 16 to 55 percent. Class attendance improved, and there were fewer visits to the health center for ___5___. Plus, the number of students who said they felt unhappy, depressed, annoyed or irritated dropped significantly.
Before the study, teachers, coaches and administrators all resisted the later start. After, nearly all voted to keep it in place. A half-hour change for happier, better students? Seems like a good time for all.
exasperated Pediatrics delayed sleep phase pushed back fatigue-related complaints
學生的表現(xiàn)著實令老師惱火。他們聽課心不在焉，昏昏欲睡，態(tài)度惡劣。但要改變這一狀況只需在時間安排上稍作調(diào)整——學校晚點上課就好了?！秲嚎茖W與青少年醫(yī)學檔案》發(fā)表的一項研究為此提供了依據(jù)。 進入青春期，孩子們會出現(xiàn)一種叫“睡眠相位后移”的睡眠紊亂，晚上睡不著，白天醒不來。他們需要很長的睡眠時間——每晚9小時15分鐘。 研究人員對羅得島州201名高中生進行了調(diào)查分析，這些學生的學校將開課時間從早晨8點推遲到8點30。在此前后，學生們填寫了一份關(guān)于睡眠習慣的調(diào)查問卷。 上課時間推遲后，55%的學生反映每晚至少得到8小時睡眠，而此前這一比例僅為16%。課堂出勤率得到了改善，因疲乏相關(guān)疾病就醫(yī)的人數(shù)下降。此外，反映自己情緒低落、壓抑、困惑、煩躁的學生大大減少。 研究開展之前，老師、輔導員及校方管理人員一致反對延遲開課。但現(xiàn)在，幾乎所有人都投票贊成繼續(xù)實行這項措施。每天推遲半小時，讓學生們更高興、更優(yōu)秀？看起來是個皆大歡喜的結(jié)局呢。