简答和翻译Mobile phones have a bad influence on young Chinese students' sleep and memory，according to a recent study.
The study is based on （以……为依据） a survey of 2，298 students aged 6 to 18.It found boys are more dependent （依赖的），but girls are more likely（可能的） to use their mobile phones before they sleep than boys.（A）The more students use mobile phones before they sleep，the longer it takes for them to fall asleep.So they will not sleep well，which leads to a poor memory.
In 2021，the Ministry of Education stopped all primary and middle school students from bringing mobile phones to schools.If they want to bring mobile phones to schools，they need to hand them in to their teachers during school time.
Yu Yi，father of a primary school student in Changsha，Hunan Province，she has a smartwatch if she needs to reach us，" he added.
（B）年轻的学生很容易对手机产生依赖 ， so the intervention （干预） from parents is necessary.
