However, there are some who endorse the use of coffee for a so-called “caffeine nap.”

This was followed by a 24-hour period with no sleep.

(One cup of coffee contains roughly 100 milligrams of caffeine.)

Arla Organic’s Coffee Week Latte Art Throwdown

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Then the thinking and math tests were repeated.

Our desire for sleep involves a process known as sleep drive.

This is a biological mechanism wherein the longer you stay awake, the sleepier you will become.

Sleep, at least in part, is the process of clearing away the accumulated adenosine.

Caffeine can counteract this effect to some degree.

By independently blocking the action of adenosine in the brain, caffeine can undermine its ability to induce sleepiness.

Among the findings:

There are also limitations to this study’s findings.

People who awaken from delta sleep often feel groggy rather than refreshed.

This can significantly blunt the stimulant effects of caffeine compared to people who take shorter naps.

Caffeine is metabolized by the liver, and about half of it is eliminated in five to six hours.

Frequently Asked Questions

What is sleep deprivation?

Sleep deprivationis simply defined as not getting enough sleep.

Which is better when you are tired: a nap or coffee?

How do you take a coffee nap?

Upon awakening, drink no more than one cup of coffee; drinking more can leave you feeling jittery.

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doi:10.1093/sleep/zsx035

Reyner LA, Wells SJ, Mortlock V, Horne JA.

‘Post-lunch’ sleepiness during prolonged, monotonous driving - effects of meal size.Physiol Behav.