Almost everyone has experienced an occasional poor night’s sleep due to worries, an impending 1DEAD, or a sick child. For at least 10 per cent of the adult population, though, insomnia is a chronic and burdensome problem. It is also the most 2PREVAIL of all sleep disorders. Although there is a tendency to 3TRIVIAL or make fun of sleep problems, chronic difficulty sleeping produces daytime fatigue, mood disturbances, and problems with attention and concentration, and it often makes otherwise simple tasks difficult to 4COMPLETE. When left untreated, insomnia increases 5ABSENT from work and heightens the risk of depression. While there is no doubt that insomnia should be taken seriously, people with sleep problems are often 6COURAGE by the lack of resources available to treat the problem. Of course, we are inundated with advertisements for 7VARY sleeping pills. Although they may be useful in the short term under some circumstances, there are risks of habituation and 8DEPEND associated with their long-term usage.