Drinking coffee at different times of the day can reduce or increase its benefits; Also, according to research in chronopharmacology (a branch of neuroscience that studies how drugs affect the body’s natural biological cycles), it can be dangerous to health.
There is a part called the suprachiasmatic nucleus (SCN) in the human brain that controls the body’s cortisol (stress hormone) levels. An increase in this hormone means an increase in human alertness, and its absence makes us feel sleepy. Caffeine also has such an effect.
The SCN releases cortisol based on the circadian cycle of the human body, i.e. a 24-hour cycle, which is slightly different for each person; For example, early risers and night owls have circadian cycles whose starting point is about 12 hours different from each other.
According to neuroscientist Mr. Steven L. Miller, a postdoctoral researcher at Geisel Dartmouth Medical School, says drinking coffee when your SCN has released enough cortisol limits its positive effect because you’re naturally irritable then.
In other words, the combination of coffee with cortisol means more stress and as a result is harmful to health.
Conversely, if you drink coffee when your cortisol levels are low, it will improve your mood and boost your energy levels so you can get more done without feeling jittery.
For a normal person (that is, someone who wakes up at about 6:30 in the morning), the peak amount of cortisol in the body is at the following times:
- 8 to 9 am;
- 12 noon to 1 pm;
- 5:30 to 6:30 pm.
For people who wake up very early (like Tim Cook, CEO of Apple, who wakes up at 3:45 a.m.), you should move the top clocks back by 3 hours. For those who sleep late at night and wake up late in the morning (like Reddit co-founder Alexis Ohanian, who wakes up at 10 a.m.), you can move those numbers forward by 3 hours.
Read more: Turk Coffee
According to the circadian cycle of the body, when is the best time to consume coffee?
The level of cortisol hormone in the body starts to increase from the moment you wake up; So, if the best time to consume your coffee is during breakfast or on the way to work, you won’t get the most out of it and may cause unnecessary stress for yourself.
Similarly, if you set the best time for your coffee to be at lunchtime, the effect of coffee will be limited; Because your cortisol level is high at this time.
Although the amount of cortisol decreases in the afternoon, drinking coffee at this time is also not a good idea. Caffeine stays in your body for up to 12 hours and can cause insomnia; Insomnia itself is a very important cause of stress and a serious damage to health. Drinking coffee at night has the same effect (although decaffeinated coffee is probably fine).
According to what we said, the best time to consume caffeinated coffee for a normal person (that is, someone who neither wakes up too early nor sleeps late) is between 9:30 and 11:30 in the morning.
Also, in order to get the most out of drinking coffee, you should consume between 4 and 6 cups of coffee (about 227 grams) during the time period we mentioned.
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This article was prepared by an expert. But this is for general information only. Before any action, it is necessary to consult a doctor.
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