As of 2008, there is little to no information regarding risk factors or prevention, though it is believed to be most prevalent among young to middle aged adults.Distribution among the general population and by gender is unknown. About 5% of the clinical population may be affected, though that figure is subject to sampling bias. See also
Second wind (sleep)
Somniphobia

References


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Gastric distention is the enlargement of the stomach, and can be due to a number of causes.Physiologic (normal) gastric distension occurs when eating. Distension of the upper stomach stimulates the secretion of stomach acid, while distension of the lower stomach stimulates gastrin secretion. Distension of the stomach also stimulates the secretion of ghrelin.Other causes include:

binge eating associated with bulimia nervosa
tumors causing obstruction
diabetic neuropathy
scarring due to pyloric gastritis
delayed gastric emptyingTo identify the cause of gastric distention, an upper endoscopy or barium upper GI imaging should be done. == References ==