Why You Feel Sleepy After Drinking Coffee

Written By: Meg

Coffee is supposed to boost your energy. But sometimes, why does it feel like it gives you the opposite effect?  There are several reasons why...

Adenosine is the chemical responsible for the sleep-wake cycle. Caffeine prevents adenosine from being received by adenosine receptors but doesn’t stop its production. Once the caffeine wears off, your body is flooded by the build up of adenosine, making you sleepy.

Caffeine blocks adenosine

Coffee is a diuretic

Diuretics increase your urge to urinate,  making you dehydrated. Coffee can also increased heart rate, and lower blood pressure both of which have the indirect effect of making you feel tired or sleepy.



After your body processes the sugar from your drink, you may experience a slump of energy that may lead to tiredness and sleepiness. This is known as a “sugar crash.”

but coffee doesn't

have to make you tired

It doesn't always have to be that way. if you want to stop getting the opposite effect after your cup of coffee, there are some tips you can try.... 

Choose The Time You Drink Coffee Wisely

If you are a coffee drinker, it’s best to keep your caffeine intake to a minimum and reserve your coffee for the morning hours. Avoid drinking coffee unless it’s over six hours before you’d like to doze off.

In order to minimize the effects of the dreaded caffeine crash, focus on creating a healthy, restful sleep schedule. Aim to get your full eight hours every night, turn off all digital screens before bed, and do some gentle stretching or meditation before dozing off.

Get a Good Night’s Sleep

Limit Caffeine Intake

As established too much caffeine is not always a good thing.The more caffeine in the coffee you drink, the more tired you will feel after the stimulant wears off. Pace yourself, and try to have no 400mg of caffeine a day. 

Interested in learning about other drinks that boost energy and would not make you tired? 

Click the button below to visit Drink Filtered.