Back to Show
Reactions
How to Stay Awake Without Caffeine
Season 2
Episode 41
Reactions is telling you how to stay awake with science. You’re tired and you need an energy boost, but you don’t want the jitters from caffeine. What to do? We give you some chemistry-backed tips — one of which involves cats — to boost your productivity and stay awake without refilling the coffee cup.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

8:31
Making pop rocks at home is so much harder but so much fun. Check it out!

7:03
Why are some heavy metals deadly while others keep us alive?

8:11
Let's explore how fuel cars work and if they're truly sustainable.

6:31
How did something meant to keep you safe end up killing over 100 people?

5:39
We try to find some of the 700 trillion dollars worth of gold in the ocean.

7:36
Bacteria could be what save us from ourselves.

7:04
Are humans destroying the circle of life?

6:20
We show you how two simple changes can turn cardboard-y pizza into award winning pie.

7:19
We discover how the Surfside Condominium—a modern building built in 1981—fail.

7:38
But the furthest we’ve traveled is 7 miles down, so how could we know that?

6:43
Every year more than 1,000 tons of plastic rains down onto national parks and wilderness.

8:05
See what happens when we try to make a strawberry last forever.