Many people are used to drinking a cup of coffee the first thing they do when they wake up, thinking that it can help refresh their minds, but experts say that it is actually wrong! Since the concentration of cortisol in the body is the highest when you just get up, the refreshing effect of drinking coffee is not significant at this time.
Nutritionist Cai Mengrong said in the “Drug and Food Safety Weekly Report” of the Ministry of Health and Welfare that drinking coffee is very important to drink time without affecting sleep. Because under normal sleep conditions, when you first get up, the body’s cortisol concentration is the highest, so The refreshing effect of drinking coffee is not good. It is recommended to drink it 2 to 3 hours following getting up, or 2 to 3 hours following lunch.
Cai Mengrong explained that since caffeine takes 20 to 30 minutes to take effect following eating, if you have the habit of taking a lunch break, you can drink coffee first and then take a nap, and when you wake up, you can just have the greatest effect; People with insomnia can advance their coffee drinking time to 7 hours before going to bed, for example, go to bed at 10 pm, and stop drinking coffee following 3 pm.
As for the maximum amount of caffeine you can consume per day? Cai Mengrong pointed out that the daily caffeine intake limit varies according to the age of the ethnic group. Adults should not exceed 300 mg, pregnant women should not exceed 200 mg, adolescents between 12 and 18 years old should be within 100 mg, and children under 12 should avoid ingestion. Caffeine, so as not to affect growth.
When people buy beverages containing caffeine, they can pay attention to the actual caffeine content indicated in the unit of “mg/100 mL (mg/100 mL)” on the outer packaging of the product, and convert the total amount of caffeine they drink to control the amount of caffeine they drink. daily intake.
Cai Mengrong reminded that excessive caffeine will have a negative impact on the human body, which may lead to palpitations, anxiety, insomnia and other conditions. Caffeine will also stimulate gastric acid secretion, making the symptoms of gastroesophageal reflux or gastric ulcer more serious, and may even lead to calcium loss. , affecting bone health.
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