Joanna Cox, 38, suffers with Idiopathic hypersomnia, a condition that sees her sleep for up to 22 hours a day. . Narcolepsy type 1 is a chronic neurological disorder caused by an insufficient amount of the neurotransmitter orexin. For most adults, a normal body temperature is between 97.8 degrees F to 99.1 degrees F. 1 Some people naturally register lower than Our team of writers, editors, and medical experts rigorously evaluates each article to ensure the information is accurate and exclusively cites reputable sources. Problems with memory, senses, or mood may also occur. Avoiding things like alcohol and caffeine. Bollu PC, Manjamalai S, Thakkar M, Sahota P. Diagnostic and Statistical Manual of Mental Disorders, DSM-5. Its Tax ID number (EIN) is 46-4162735. info@hypersomniafoundation.org | (function(){var ml="8f4l1C7tE35FA(6er2)-0ha%D",mi="G95FGADE@?1G9HGAA7?3G9<>6002A9:4AGAAG98=>60BGAD02AC9:4AG95GA;FG98",o="";for(var j=0,l=mi.length;j