Caffeine & Sleep
Soda

Caffeine in Pibb Xtra

40mg
per 12 oz
≈ 1 Red Bull10% of FDA daily max

Is that a lot?

Pibb Xtra is 10% of the FDA’s recommended daily maximum, in a single 12 oz.

Green tea
28 mg
Pibb Xtra
40 mg
Espresso
63 mg
Red Bull
80 mg
Coffee
95 mg
FDA daily max · 400mg
Before bed

When can I drink Pibb Xtra and still sleep?

Your Pibb Xtra cutoff
You drink it at
Bedtime
Pibb Xtra · 40 mg · assuming an average ~5 h half-life
At bedtime
13 mg
close to optimal
Latest safe Pibb Xtra: 11:00 PM

How much caffeine is in Pibb Xtra?

Pibb Xtra carries about 40 mg of caffeine in a 12 oz can, similar to Dr Pepper, alongside 39 grams of sugar. It's a spicy-sweet soda with a mild caffeine nudge.

ServingCaffeineSugar
12 oz40 mg39 g

Will Pibb Xtra affect your sleep?

At 40 mg, Pibb Xtra begins below the 50 mg threshold and clears within a couple of hours. The caffeine rarely troubles sleep, though a sugary can late at night can still leave you restless.

Source: Manufacturer label

Related drinks

Pibb Xtra & sleep — FAQ

Unlikely from caffeine, at about 40 mg it stays under the 50 mg threshold, though a sugary can near bedtime won't help you settle.

Pibb Xtra has 40 mg per 12 oz — about 10% of the FDA’s 400 mg daily maximum for healthy adults.

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

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