People with a sleep-related eating disorder have frequent episodes of compulsive eating while sleepwalking during the night. The person has impaired consciousness while preparing food and eating it, with little or no memory of these actions the next morning. A sleep-related eating disorder can cause dangerous use of kitchen appliances or injury from eating something toxic.
Little or no appetite for breakfast, Eating more food after dinner than during the meal, Eating more than half of daily food intake after dinner hour, A persisting pattern for at least two months.
In a community survey of 7954 people In different major US cities from 1981 to 1985, Ford and Kamerow reported that more subjects met the criteria for mental Illness among those with complaints of Insomnia (40%) or hypersomnia (46.5%), compared with subjects without any sleep complaints (16.4% ). In a study of 14 915 subjects from the UK, Germany, Italy, and Portugal, aged 15 to 100 years, Ohayon and Roth reported that 28% of subjects with insomnia had a current diagnosis of mental disorders, and 25.6% had a prior psychiatric history.