Light boxes are sold as a treatment for seasonal affective disorder (SAD) and seasonal mood swings. The claims listed are:
- Helps to ease seasonal mood swings and winter depression, and help improve sleeping patterns
- Can ease symptoms of SAD within one to two weeks of regular use
See also A Portable Glow to Help Melt Those Winter Blues from the New York Times.
I've recently moved north where the days are much shorter than I'm used to in the winter, and I've found it a little oppressive. Is there any reason to think that using a one of these light boxes on short gray days will improve my mood?