1 more thing for I need your help, actually in a week one or two days (mainly on Sunday) comes such that when, after 1 or 2 o clock (afternoon) I suffer from very hard headache, mid of head and on the eyelid. My eyesight is weak I wear glass as my no. Is 3+. And I regularly take bed on 11.30 pm but sleeps on 12 or 12.30 in night and wake up on 7.30 am, and on the day when I suffer from the above pain I fee like nausea and vomiting etc. And if I sleep down in afternoon then I could not sleep in whole night and next day be worst day for me because of the head pain, hence I avoid to sleep in afternoon specially on sunday (leave of office) so I want to now that is the exact problem and what test required to check the proper thing and any medicine can help me to come out from this problem. How can treat it, please help what should I do.