Smoking engenders sleep disorders: Study

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Agencies

Posted online: Friday , February 08, 2008 at 03:09:41

Washington, February 8: Cigarette smokers spend less time in deep sleep and more time in light sleep than nonsmokers, a US study has shown.

The research by Naresh M. Punjabi of the Johns Hopkins University School of Medicine, Baltimore, has revealed that smokers are four times as likely as nonsmokers to report feeling unrested after a nights sleep.

The study, appearing in the February issue of CHEST, the reviewed journal of the American College of Chest Physicians (ACCP), showed that smokers spend less time in deep sleep and more time in light sleep than nonsmokers, with the greatest differences in sleep patterns seen in the early stages of sleep.

According the report in the ScienceDaily, the stimulating effects of nicotine could cause smokers to experience nicotine withdrawal each night, which may contribute to disturbances in sleep.

“It is possible that smoking has time-dependent effects across the sleep period,” Punjabi said.

“Smokers commonly experience difficulty falling asleep due to the stimulating effects of nicotine. As night evolves, withdrawal from nicotine may further contribute to sleep disturbance,” the scientist said.

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