<prompt> All of the following features are associated with Delirium tremens EXCEPTAgitatedInsomniaNo loss of sleepReversal of sleep wake pattern  <response>: C No loss of sleep Delirium tremens Symptoms are Clouding of consciousness Poor attention span Visual hallucinations which are often vivid and frightening Tactile hallucinations and auditory hallucinations Marked autonomic disturbances Tachycardia Fever Sweating Hypertension Pupillary dilatation Psychomotor agitation and ataxia Insomnia Dehydration The course is short with recovery occurring within 3-7 days Reversal of sleep pattern 