Will 30mg of caffeine keep you awake?

Online Answer
Drinking coffee or caffeinated tea before bed may not keep you awake — even if you have insomnia. Drinking coffee or tea just before bed does not affect quality of sleep of people with insomnia, a new study has found.
Related Questions 📌
The Caffè Mocha, espresso with steamed milk and bittersweet mocha sauce, has 175mg. The Flat White, espresso with steamed milk, has 195mg. The Caffè Americano, espresso with hot water for a creamy finish, has 225mg. So does the Latte Macchiato, espresso with aerated milk.
Digging Into the Results At 714.3 mg per fluid ounce, DynaPep has the highest caffeine content per ounce of any beverage on the market.