For many people, morning coffee is simply part of it. But researchers are now advising not to drink coffee if you have slept badly before.
For real coffee lovers, the morning cannot even start without a cup of their favorite brew – or at least the day can only be bad. Basically there is nothing wrong with coffee, after all, several studies have shown that a few cups a day is very healthy. Researchers at the British University of Bath are now warning against drinking coffee in the morning without any restrictions. According to them, anyone who had a restless night with poor sleep should do without the pick-me-up.
Coffee can disrupt the metabolism
The reason for this is the result of a new small study that the researchers in British Journal of Nutrition have published. Accordingly, it can upset the body's own regulation of blood sugar if you drink a cup of coffee before breakfast after a night of poor sleep. For the study, blood samples from a total of 29 adults who participated in different experiments over three days were examined.
The breakfast and the blood sugar
During the study, the participants slept undisturbed for one night and received a sugary drink with enough glucose and calories the next day to simulate breakfast. On a further night, the test subjects were woken up every hour and were given the sugary drink again in the morning. And after another night, in which the test subjects were also woken up every hour, they were also given a cup of strong black coffee about 30 minutes before the sugary drink in the morning, which contained about 300 milligrams of caffeine. The order of the nights was random for each participant.
The results of the blood samples showed: The additional cup of coffee in the morning led to the fact that the participants' blood sugar levels were 50 percent higher at breakfast later, especially after a restless night, than with the other subjects. Although breakfast generally increased the blood sugar values of all participants, it was not as strong as after coffee.
James Betts who served as one of the directors of the Center for Nutrition, Exercise and Metabolism at the University of Bath Supervised the study, said: "Put simply, our body's blood sugar management is compromised when our bodies come in contact with coffee first thing in the morning – especially after a bad night's sleep. We could avoid that in where we eat first and then drink coffee if we feel we still need it. This knowledge can have important health benefits for all of us. "
Postpones the coffee until later
Of course, that doesn't mean that we have to do without our coffee completely from now on. But it could be better for our health if you only have coffee after breakfast. Either way, there is still no reason to make the horses shy. Because: In general, it must be noted in the study that regularly poor sleep can negatively affect the metabolism anyway – how big this effect is, however, needs to be further researched.