Is an unpleasant side effect that alcohol withdrawal creates for an alcoholic. excessive sleepiness leptokurtic reaction circadian dysrhythmia delirium tremens

The correct answer is "delirium tremens"

In the event of abrupt cessation of alcohol use, there will be an adaptive response of the central nervous system leading to overactivity which explains the withdrawal symptoms. In the event of central nervous system hyperactivity, mild symptoms include but not limited to insomnia, tremors, mild anxiety, headache, and diaphoresis; these symptoms appear usually within six hours of cessation. Withdrawal-related seizures characterized as generalized tonic-clonic convulsions as well as alcoholic hallucinosis or hallucinations related to abrupt alcohol cessation may occur in moderately severe cases. In most severe cases, delirium tremens may occur and this is characterized by hallucinations, disorientation, tachycardia, and agitation. 

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