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NORTHBROOK, Ill. (CBS St. Louis) – According to a study that appeared in the journal CHEST earlier this year, cigarette smokers are more likely to feel unrested after a night’s sleep.
Researchers from the Johns Hopkins University School of Medicine who conducted the study reportedly determined that smokers are also four times more likely to experience a poor night’s sleep than nonsmokers.
“It is possible that smoking has time-dependent effects across the sleep period,” study researcher Dr. Naresh M. Punjabi told ScienceDaily. “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.”
In a more recent study published in the journal Addiction Biology, German researchers corroborated these findings, adding that smokers may find the motivation to quit if doing so would improve their sleeping habits.
“If you smoke and you do suffer from sleep problems, it is another good reason to quit smoking,” lead researcher Dr. Stefan Cohrs, of Charite Berlin medical school in Germany noted to Reuters.
The new study was reportedly based on the sleep habits of 1,071 smokers and 1,243 non-smokers who were all determined to be free of mental health disorders.
According to Reuters, the German researchers used a standard questionnaire that gauged sleep quality. The results show that more than 25 percent of participating smokers experienced a “disturbed” sleep.
Cohrs said the findings imply a “high probability” of insomnia in smokers.