Caffeine & Sleep
Soda

Caffeine in Pepsi Zero Sugar

69mg
per 12 oz
≈ 1 coffee≈ 1 Red Bull17% of FDA daily max

Is that a lot?

Pepsi Zero Sugar is 17% of the FDA’s recommended daily maximum, in a single 12 oz.

Green tea
28 mg
Espresso
63 mg
Pepsi Zero Sugar
69 mg
Red Bull
80 mg
Coffee
95 mg
FDA daily max · 400mg
Before bed

When can I drink Pepsi Zero Sugar and still sleep?

Your Pepsi Zero Sugar cutoff
You drink it at
Bedtime
Pepsi Zero Sugar · 69 mg · assuming an average ~5 h half-life
At bedtime
23 mg
close to optimal
Latest safe Pepsi Zero Sugar: 8:41 PM

How much caffeine is in Pepsi Zero Sugar?

Pepsi Zero Sugar is one of the most caffeinated mainstream colas, with about 69 mg per 12 oz can, nearly double regular Pepsi. There's no sugar here, just a notably firmer caffeine kick for a soda.

ServingCaffeineSugar
12 oz69 mg0 g

One of the most caffeinated mainstream colas.

Will Pepsi Zero Sugar affect your sleep?

From 69 mg, Pepsi Zero Sugar takes a couple of hours to fall under 50 mg, putting it above most other sodas for sleep. An afternoon can is usually clear by bedtime, but a late-evening one may still register.

Source: PepsiCo product facts

Related drinks

Pepsi Zero Sugar & sleep — FAQ

At 69 mg it's stronger than most sodas, so a late-evening Pepsi Zero Sugar could sit near the 50 mg threshold at bedtime, more so for sensitive people.

Pepsi Zero Sugar has 69 mg per 12 oz — about 17% of the FDA’s 400 mg daily maximum for healthy adults. That’s roughly 1 cup of coffee.

It depends on your bedtime and how fast you clear caffeine. Use the calculator above to see when Pepsi Zero Sugar drops below the ~50 mg “ok to sleep” threshold for your bedtime.

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