I'm having a sleep disorder that makes me very drowsy during the day, I find it hard to stay awake for long periods of time.  It has been causing serious problems in their daily routine. I'm never able to focus on my work, studies or duties because of excessive fatigue, and find it really hard falling asleep during night. If I fall asleep once, then there's no limit to my sleep, I uncontrollably keep on sleeping for 15 hours, and after waking up I still feel sleepy. Sometimes I even experience sleep paralysis very often, not only this but, if I'm sleepy, I uncontrollably start seeing dreams when I haven't even fallen asleep completely.