New York : Chronic alcohol exposure can lead to disruptions in the sleep cycle, not just when one actively drinks but even years after one stops drinking.

Individuals with alcohol use disorder frequently suffer from severely disrupted sleep, said the study co-authored by an Indian-origin professor.

“Sleep-wake disturbances can last for months, or even years after someone stops drinking. It indicates that chronic alcohol abuse could cause long-term negative effects on sleep,” said senior author Subimal Datta, a professor of psychiatry and neurology at Boston University School of Medicine in the US.

Sleep disruption can occur when people are actively drinking, when they are going through withdrawal or when they are abstaining reported IANS.As a result of the prolonged alcohol exposure, the activity of chemicals that excite neurons in the brain increases while simultaneously decreasing the activity inhibiting chemical .

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