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How long before sleep should you drink coffee?


“How long before sleep should you drink coffee?” is likely a question that always lingers in the minds of those who enjoy sipping the bitter taste of coffee while also cherishing deep sleep. Caffeine can help you regain alertness and focus, but conversely, it is also a formidable “adversary” to a good night’s sleep. So, how many hours before sleep should you consume coffee to avoid affecting your rest hours? Let’s explore this with 43 Factory Coffee Roaster in this article!


How long before sleep should you drink coffee?


Depending on each person’s metabolism, the stimulating effects of caffeine can last from 3 to 5 hours. Five hours after consuming coffee, your body still has half of the caffeine you ingested. This directly affects the quality of sleep. To minimize this impact, it is advisable to drink coffee at least 6 hours before bedtime to allow the body to absorb and eliminate the caffeine you’ve consumed.

Furthermore, it’s recommended to consume coffee during periods of low cortisol levels, typically from morning to late afternoon, to avoid causing stress or anxiety due to a sudden spike in cortisol. Alternatively, you can also have coffee 30 – 60 minutes before exercising or engaging in physical activities to boost energy and endurance.


How much coffee should one drink in a day?


How long before sleep should you drink coffee?

Each person will have their caffeine tolerance limit.

Depending on the individual’s health condition, the safe amount of coffee per day will vary. Healthy adults can consume up to 400 mg of caffeine per day, while pregnant and breastfeeding women may safely consume up to 300 mg per day, with some studies suggesting 200 mg as a safe limit. If you are sensitive to caffeine or taking medications, it is advisable to consult with a doctor before consuming coffee.


Drinking coffee before a nap brings surprising effectiveness.

This may sound illogical because caffeine has been proven to have the effect of keeping people awake, making it difficult for them to fall asleep. However, if you drink coffee and then take a nap for about 20 – 30 minutes, it’s a different story. Scientists at NASA (the United States Space Agency) explain that it takes about 15 minutes for the body to fully absorb the amount of caffeine just consumed. Therefore, if you go to sleep right after drinking coffee, the caffeine will start to take effect when you wake up. This prevents you from feeling groggy and keeps you completely alert to continue your work.

Napping with caffeine has been shown to reduce the inertia of sleep, eliminating the feelings of grogginess, disorientation, and sleepiness immediately after waking up, especially for those working night shifts.

Scientists believe that caffeine and sleep both prevent the body from producing adenosine, a substance that causes drowsiness, lethargy, and sleepiness. Therefore, combining caffeine with a short nap under 30 minutes creates a positive combined effect, making us feel more refreshed and focused. This statement is only true when you have a short nap. If you want to fall into a long sleep, it will have the opposite effect as caffeine will enhance its alertness.

Choosing the right time to drink coffee and then nap is also crucial. According to sleep experts in the United States, the afternoon is the time when the body’s biological activity is at its lowest. Therefore, drinking coffee in the early afternoon and then taking a short nap will help you stay awake and focused for the rest of the workday.

In addition, the amount of coffee is also a factor to consider. Too little or too much coffee will not achieve the desired deep sleep effect. You can monitor daily and find the “perfect” amount of coffee for your sleep.

This News section helps answer the question of how long before bedtime one should drink coffee. If you need alertness for a nap, it’s recommended to drink coffee right before bedtime and avoid coffee at least 6 hours before bedtime.

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