Drinking coffee six hours before bed is afraid of insomnia.

Coffee drinkers should be careful. Even if they drink coffee at four or five o'clock in the afternoon, their sleep at night may still be disturbed. The latest research in the United States finds

Even drinking coffee six hours before going to bed can affect sleep and increase the risk of insomnia.

Christopher Drucker, lead author of the study, said that drinking a large cup of coffee in the evening may interfere with sleep, which is similar to drinking coffee before going to bed.

However, when drinking coffee in the evening, most people are not aware that this may affect their sleep at night. The results show that when the effect of caffeine lasts

For a long time, drinking coffee even six hours before going to bed will be affected. The results have been published in the Journal of Clinical Sleep Medicine.

A total of 12 healthy people participated in the study. These people usually slept normally, and the researchers asked them to go to bed and sleep at the usual time.

Feel. However, the researchers gave these people three pills a day and asked them not to take ​​ six hours before bed, three hours before sleep and before going to bed.

Take it for another four days. One of the three pills contains 400 milligrams of caffeine, which is equivalent to two to three cups of coffee, and the other two

The pill contains a placebo and contains no caffeine. Another four days to do another experiment, this time all the pills are placebo.

The researchers found that as long as these people take caffeinated pills, whenever they take them, they can affect their sleep. Even if you take it six hours before bed

It's the same. After taking caffeine pills, sleep time is reduced by more than an hour at night.

The team advises people to avoid drinking coffee after 5 p.m., if they want a good night's sleep.

Steve Van Silver, director of the Sleep Medical Center of Mount Sinai Hospital in the United States, said in an interview with foreign media that many people are not very clear about their day.

How much caffeine is consumed, caffeine not only affects sleep, but also interferes with sleep quality, sometimes as long as 12 hours.

If you usually don't sleep well and don't sleep well, you should try to drink less coffee, especially in the afternoon, and avoid drinking coffee. It is recommended that you drink coffee most often.

Good bedtime interval of more than eight hours, it will be better for sleep.