"Dyssomnias" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, 
	MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, 
	which enables searching at various levels of specificity.
	
	
		
			
			
				A broad category of sleep disorders characterized by either hypersomnolence or insomnia. The three major subcategories include intrinsic (i.e., arising from within the body) (SLEEP DISORDERS, INTRINSIC), extrinsic (secondary to environmental conditions or various pathologic conditions), and disturbances of circadian rhythm. (From Thorpy, Sleep Disorders Medicine, 1994, p187)
    
			
			
				
				
					
						| Descriptor ID | D020920 | 
					
						| MeSH Number(s) | C10.886.425 F03.870.400 | 
					
						| Concept/Terms | Environmental Sleep DisorderEnvironmental Sleep DisorderEnvironmental Sleep DisordersSleep Disorders, EnvironmentalSleep Disorder, Environmental
 Limit-Setting Sleep DisorderLimit-Setting Sleep DisorderLimit Setting Sleep DisorderLimit-Setting Sleep DisordersSleep Disorders, Limit-SettingSleep Disorder, Limit-SettingSleep Disorder, Limit Setting
 Nocturnal Eating-Drinking SyndromeNocturnal Eating-Drinking SyndromeEating-Drinking Syndrome, NocturnalEating-Drinking Syndromes, NocturnalNocturnal Eating Drinking SyndromeNocturnal Eating-Drinking SyndromesSyndrome, Nocturnal Eating-DrinkingSyndromes, Nocturnal Eating-Drinking
 Adjustment Sleep DisorderAdjustment Sleep DisorderAdjustment Sleep DisordersSleep Disorders, AdjustmentSleep Disorder, Adjustment
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				Below are MeSH descriptors whose meaning is more general than "Dyssomnias".
				
			 
			
			
				Below are MeSH descriptors whose meaning is more specific than "Dyssomnias".
				
			 
		 
	 
 
                                        
                                            
	
	
		
			
			
					
				This graph shows the total number of publications written about "Dyssomnias" by people in this website by year, and whether "Dyssomnias" was a major or minor topic of these publications. 
				
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				Below are the most recent publications written about "Dyssomnias" by people in Profiles.