Eating disorder predisposition toward eating disorders as a result of Mendelian inheritance. Twin studies have found a slight instances of genetic variance when considering the different criterion of both anorexia nervosa and bulimia nervosa as endophenotypes contributing to the disorders as a whole. A genetic link has been found on chromosome 1 in multiple family members of an individual with anorexia nervosa. An individual who is a first degree relative of someone who has had or currently has an eating disorder is seven to twelve times more likely to have an eating disorder themselves. Twin studies also show that at least a
Nocturnal sleep-related eating disorder patients had problematic eating in the evening between dinner and bedtime; sleep onset insomnia was not present; and sleep latency was usually brief, apart from several patients with RLS." After realizing what was wrong with them, many of Schenck and Mahowald's patients with NSRED restricted their day eating and over exercised. This table summary identifies the first initial findings concerning NSRED, and it shows how NSRED is a random malady that affects many different types of people in individual ways. Nocturnal sleep-related eating disorder Nocturnal sleep-related eating disorder (NSRED), also known as sleep-related eating disorder (SRED), sleep eating, or somnambulistic