Dissociative identity disorder, or DID, is the result of appetite fluctuations that are caused by severe stress.
(p291) Disturbed and altered sleep has also been suggested as having a role in dissociative disorders in general and specifically in DID, alterations in environments also largely affecting the DID patient
 In the ICD-11, the World Health Organization have classified DID under the name "dissociative identity disorder" (code 6B64), and most cases formerly diagnosed as DDNOS are classified as "partial dissociative identity disorder" (code 6B65)

