You wake in the morning feeling groggy, even if you think you had a good night’s sleep.

Now, that’s a lot of coffee!

Soft drinks like Coke and Pepsi later became the most popular caffeinated and carbonated drinks (viaMy Recipes).

Person serving coffee

Keep reading to find out which of these drink options is the most caffeinated.

Even decaffeinated coffee still has a trace of caffeine, clocking in at 2 mg per 8-ounce serving.

Meanwhile, espresso will give you 64 mg for a 1-ounce serving (viaThe Mayo Clinic).

Glass of soda

Like coffee, even the decaffeinated key in contains 2 mg of caffeine per 8 ounces.

However, colas are a different story, offering 22 mg per 8-ounce serving.