Caffeine & Sleep
Energy drink

Caffeine in Ghost Energy

200mg
per 16 oz
≈ 2 coffees≈ 3 Red Bulls50% of FDA daily max

Is that a lot?

Ghost Energy is 50% of the FDA’s recommended daily maximum, in a single 16 oz.

Green tea
28 mg
Espresso
63 mg
Red Bull
80 mg
Coffee
95 mg
Ghost Energy
200 mg
FDA daily max · 400mg
Before bed

When can I drink Ghost Energy and still sleep?

Your Ghost Energy cutoff
You drink it at
Bedtime
Ghost Energy · 200 mg · assuming an average ~5 h half-life
At bedtime
66 mg
may delay sleep
Latest safe Ghost Energy: 1:00 PM

How much caffeine is in Ghost Energy?

Ghost Energy delivers about 200 mg of caffeine in a 16 oz can, sugar-free and dressed up in candy and soda flavors. The fun branding masks a dose equal to two and a half Red Bulls.

ServingCaffeineSugar
16 oz200 mg0 g

Will Ghost Energy affect your sleep?

From 200 mg, Ghost takes around ten hours to fall under 50 mg, so a midday can can still be active when bedtime arrives. Best enjoyed earlier in the day to protect your sleep.

Heads up
At 200 mg, a second Ghost Energy in a day pushes you toward the FDA’s 400 mg ceiling — and that’s before any coffee or tea. Log everything in the calculator to see your real daily total.

Source: Manufacturer label

Related drinks

Ghost Energy & sleep — FAQ

Possibly, with 200 mg behind those nostalgic flavors, an afternoon Ghost may still be above the 50 mg threshold when you try to fall asleep.

Ghost Energy has 200 mg per 16 oz — about 50% of the FDA’s 400 mg daily maximum for healthy adults. That’s roughly 2 cups of coffee.

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

Track your caffeine. Sleep better.

The app does this live all day — one-tap logging, widgets, and a 30-minute pre-cutoff reminder. Free, no ads.

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