I have 28 year old sister she failed in pharmacy every year she is second year I am not even sure about it she could not pass the exam now the current situation is that she is at home she sleeps at 3-5 pm at night she wakes up at about 7 pm she does not drink water does not eat food for that time and sometimes not even after waking up and when she wakes up she gives badwords to me as we are enemies but she even gives badwards to my mom so we wanted her to take lower education but do not know why she has ego she does not do that and continuously repeat pharmacy and fails she never listens to anyone nor my dad as she is grown up she should understand what she should do and what she should not so why is she doing like that my mom is crying daily seeing her behaviour she does not wake up even if my mom tries too she gives her badwords and she takes long time to even do small things she takes 4-6 hours to bath takes 2 hours to brush why she doing this we even went to hospital but she seemed normal to doctor and she is not taking medicines she does not speak openly to anyone so what should I do for her as her condition is horrible she become violent if he speak anything wrong about her please help tell me about this disease.