it means having bad dreams or bad issues in the night (also can include a ceaser when you are sleeping).
no but it causes sleeping disorders
No, disabilties mean you can't do a certain thing. While on the other hand Disorders mean you have a hard time doing it.
If you mean disorders in the human, physicians (especially with a Ph.D.) often look into those.
Disorders of sex development
What does tonight is the Night mean
'Silent night' is supposed to mean (and does indeed mean) that the night in question was quiet and peaceful.
If you mean Clozapine, it is a medication prescribed for psychotic disorders such as schizophrenia.
It's absolutely incorrect to study for long hours at night. Studying long hours at night will distort your sleeping schedule which may give you sleeping disorders or fatigue.
Electrolyte and fluid disorders, not elsewhere classified
Other and unspecified disorders of bone and cartilage
if you mean Prednisone, it is used to treat allergic disorders such as Colitis or Psoriasis
Night Night Love You