Poor sleep: What keeps us awake?

Many people suffer from sleep disorders and make a variety of causes, such as alcohol, caffeine, or nicotine responsible. Scientifically, these causes have been studied but little. The new "Jackson Heart Sleep Study" shows well, on what you should abandon in front of the sleep actually better.

The results of the study were published in the journal Sleep, bring coffee-lovers, good news: The researchers found no link between the consumption of caffeine within four hours before going to bed and a troubled sleep. They do however note that there could be individual differences in caffeine sensitivity and tolerance.

For Smoking and all the drinking in the evening, like alcohol, is not see the results as positive. Nicotine and consumption of alcohol within four hours before bedtime led to more sleep disruptions. Another reason to stop Smoking: nicotine was most closely associated with sleep disorders. In the case of participants with sleep problems in the evening nicotine consumption was associated with an average 42,47 minutes shorter sleep duration.

The new study is one of the largest studies of the effects of an evening’s consumption of alcohol, caffeine, and nicotine on sleep in a natural environment. Insomnia can have a number of health consequences, including heart disease, high blood pressure, Diabetes, and even certain types of cancer.

With the help of activity sensors and Sleep diaries, the researchers investigated correlations between evening consumption of alcohol, caffeine and nicotine and sleep duration, sleep quality, and nocturnal Awakening. In the study, 785 people took part and recorded a total of 5.164 days.