Overnight and early morning flights are hard on all of us. Sometimes, the only saving grace is a nice warm cup of tea or coffee to wake us up and help us feel refreshed after hours in the air. But you may want to think twice before you order that English breakfast blend, according to cabin crew members.

“Flight attendants will not drink hot water on the plane. They will not drink plain coffee, and they will not drink plain tea,” one flight attendant told Business Insider in February. Why the self-imposed ban on delicious warm beverages?

As NBC 5 noted, the water for tea and coffee comes from the tap, not from a bottle, while in flight. And that water could be downright disgusting. According to a 2004 EPA sample of 158 planes, 13% contained coliform. Two of the airplanes were found to have dangerous E.coli in the water. And as Business Insider reported, an additional EPA study found that one in every eight planes fails the agency’s standards for water safety.

This is a repost from www.insider.com. Read the original article by Stacey Leasca here.

Header image by Flight Centre

Article image by CN Traveler