http://articles.mercola.com/sites/articles/archive/2001/02/07/insomnia-sunlight.aspxLack of exposure to sunlight might explain why sleep disturbances grow more common as people age, researchers in Japan suggest. In a study of 10 nursing home residents with insomnia, investigators found that increasing the residents' exposure to lightenCommunityServer 2008.5 SP1 (Build: 31106.3070)