on school nights meaning in English

在上学的晚上
在上学期间的晚上
在校期间的晚上

For example , i have to stay at home on school nights
比方说，上学日的晚上我必须要待在家里。
And , meanwhile , in by 1 0 : 00 on school nights . clear
但是同时，每天10点前必须回家，明白了吗？
Do not go out on school nights
28上学期间，晚上不能出去。
Only 20 per cent of adolescents said that they got nine hours of sleep on school nights and 45 per cent reported sleeping less than eight hours
28日公布的调查还显示，美国青少年中只有20的人每天睡够9小时， 45的人表示睡眠不足8小时。
The survey found that 11 - year - olds were sleeping an average of 8 . 4 hours a week on school nights , 17 - year - olds only 6 . 9 hours . school - age children and teenagers should get at least nine hours sleep a day , the national centre on sleep disorders research at the national institutes of health says
如果第2天要上学， 11岁的孩子们在头天晚上的平均睡眠时间是8 . 4个小时，而17岁青年则只睡6 . 9个小时，但美国国家健康研究院国家睡眠障碍中心指出，学龄儿童及青少年每天睡眠时间应不少于9小时。