seasonal affective disorder

1 definition found

seasonal affective disorder - Collaborative International Dictionary of English v.0.48 :

  seasonal affective disorder \seasonal affective disorder\, n.
     A form of mild depression that occurs in winters, associated
     with reduction in the amount of sunlight. It is characterized
     by oversleeping, irritability, and sometimes overeating. It
     can be treated by light therapy and usually disappears with
     the arrival of spring.
     [PJC]