One of the gentler quips uttered by the writer Leo Tolstoy was that happy families are alike and every unhappy family is unhappy in their own away.  In the same token, excellent learners are alike and every unsuccessful learner are unsuccessful in their own way.  One of the main reasons is their undesirable habits.
Some students are not accustomed to planning time carefully.  They do not have the idea which homework I should finish today? They may often rush to complete their tasks and not go over their homework because of forgetfulness. They may indulge in playing games or watching TV series all day long which makes them start studying at around 9pm; so the result is they stay up. Having a schedule when you should get up, do homework, have a rest and sleep etc., will help you live a regular life that will balance entertainment and study time.
Learning reflective play is a crucial role in our study.  But, some students seldom profoundly think about what they have learned in class.  Did I entirely comprehend and master the knowledge? Can I put theory into practice? They listen carefully in class but after class they leave it all behind.  Reflective learning is a way to ask yourself how much knowledge you have grasped and make you study more effectively. Reflective learning will help you find your weaknesses and merits.  After every class, every exam and other academic activities, we should reflect and analyze the studying process by asking, ‘what should you improve or what do you remember?’
Some students cannot motivate themselves to study because they lack self-control or the environment diverts their attention.  For example, some students do their homework while chatting with others, or listening to music while reading books.  They may say I can do two things at the same time, but can they be sure that they are not ever distracted or absent minded? Some students feel annoyed due to the noise.  You can shut down your phone if you think you will switch it on, or you can let your classmates keep your phone temporarily.  If you are bothered by the noise, you can go to the library where there is a quite study atmosphere.  When you are finished with your studies, you will save time, improve your efficiency and have a clear mind.
As Confucius says, ‘men’s nature are alike, it is their habits that set them far apart.’  It is also true for studying.  We should all improve our study habits for better learning.

**It is pretty good.  There are some tenses/third person/grammar mistakes in my correction but I think the idea in your original text is somewhat clear.  Keep it up. 

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