stackyFACTS
Health

If you drink a large iced coffee at 3 PM, how much caffeine is still active in your bloodstream at 9 PM?

HERE’S THE INTERESTING PART

If you drink a large iced coffee at 3 PM, how much caffeine is still active in your bloodstream at 9 PM?

From the Stacky collection1 min read
If you drink a large iced coffee at 3 PM, how much caffeine is still active in your bloodstream at 9 PM?
STACKY / Health
Topics in this factcaffeineenergysleep
One discovery leads to another.

Keep exploring facts in this topic.

Health →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
Caffeine works by impersonating a neurotransmitter called adenosine, sneaking into your brain's receptors and blocking the actual chemical that tells your body it is time to feel tired.
Health

Caffeine works by impersonating a neurotransmitter called adenosine, sneaking into your brain's receptors and blocking the actual chemical that tells your body it is time to feel tired.

Caffeine works by impersonating a neurotransmitter called adenosine, sneaking into your brain's receptors and blocking the actual chemical that tells your…

Discover more
Why deep sleep burns more energy than television
Health

Why deep sleep burns more energy than television

Your favorite streaming binge is literally less active than being totally comatose. During deep slumber, your internal systems aggressively repair tissue and…

Discover more
Downing coffee the second you wake up is basically wasting it. What should you wait for your body to do first?
Health

Downing coffee the second you wake up is basically wasting it. What should you wait for your body to do first?

Downing coffee the second you wake up is basically wasting it. What should you wait for your body to do first?

Discover more
Slow wave rest exclusively consolidates memory storage
Health

Slow wave rest exclusively consolidates memory storage

The chaotic electrical storms of deep unconsciousness are strictly required to move short-term information into permanent storage. Pulling a rebellious…

Discover more
Scientists swear by the 'coffee nap' for ultimate focus. The trick is to drink an espresso and then sleep for exactly...
Health

Scientists swear by the 'coffee nap' for ultimate focus. The trick is to drink an espresso and then sleep for exactly...

Scientists swear by the 'coffee nap' for ultimate focus. The trick is to drink an espresso and then sleep for exactly...

Discover more
Can’t fall asleep when your brain is replaying unfinished thoughts?
Health

Can’t fall asleep when your brain is replaying unfinished thoughts?

Can’t fall asleep when your brain is replaying unfinished thoughts? There’s a simple neuroscience-backed fix called the ‘cognitive dump.’ Before bed, write…

Discover more
StackyMore discoveries in the app
Download on the App Store