They have assignments and exams. Everyone is caught up in life. They are so busy doing so many things amongst all of that. Sometimes we feel really demotivated sometimes and might not feel like working and giving us all to our work and that is fine. That is normal. Let me tell you that and it is okay to not feel productive. Sometimes it is nothing unnatural. We all go through that phase where we feel really demotivated and don't feel like working. That's fine