I am sleeping during day times I can’t wakeup in

Patient: I am sleeping during day times. I can’t wakeup in morning. Also I feel too tired and lazy. I am unable to sleep during night. I go late to the bed at night and making effort to sleep but can’t. When i go to bed during night to sleep, Many times I felt that my elbow and legs are paining too much. Sometimes whole body pains. I am 21 years old girl. Even I don’t go to college due to sleeping habit. Why is this happening nd how to get rid of

Doctor: