In my opinion, Learning is less than 6 hours daily each for that too many times. May not be effective in studying less. Because it may cause stress headaches blur. And do not have enough time to relax or to work.
In addition, Learning is less than 6 hours daily is time to remember the students. By reducing the time to study for but more time to do the activities about the lessons more. To make students understanding the lessons more. The students have more time to work. The review lessons. Students still have time to rest. It's time to work their activities.
in last reason the students have time to work part-time. student working part-time" earn money helps the family.Reduce the burden on the subject of money.