Ever ordered decaf coffee during dinner then stared at the ceiling as you tried to force yourself to sleep? Well you are not alone. An ABC news investigation turned up high levels of caffeine at Starbucks and McDonalds.

Government guidelines say coffee cannot be considered decaffeinated unless it has 5 milligrams of caffeine or less per 5-ounce cup. But an ABC News investigation revealed that some servings of decaf coffees contained as much caffeine as espresso.

ABC News ordered 33 5-ounce cups of decaf coffee coast to coast and tested their caffeine levels at the Sanipure Food Laboratories in Saddle Brook, N.J.

“We should see caffeine levels in brewed decaffeinated coffee somewhere between 1 and 5 milligrams per 5-ounce cup,” said Sanipure’s Ron Schnitzer.Some Starbucks decaf coffee turned out to have high amounts of caffeine. Read full article.