Some people like to use full spectrum light bulbs for everyday household use. There is no evidence that these low intensity bulbs affect mood or sleep phase. Your 10,000-lux light however, may be nice for some of your plants. Other treatments Outdoor light, even when the sky is overcast, provides as much or more light than a light box. There has been a study showing improvement in SAD symptoms when individuals took a one-hour daily walk outside.
Outside light is often brighter than the light boxes.
Spending an hour outside each day can often produce beneficial results in some individuals. However, one cannot get early morning outside light in the winter. Not everyone's job will allow for an hour-long outside walk. Only highly motivated people will continue their daily walk when it the rains or snows. Some people prefer to take a pill because it is less time consuming than sitting in front of a light box.