Pilots of a Vietnamese aircraft had to cancel take-off on the weekend when a passenger felt tired from sleep deprivation and excessive coffee drinking.

A Jetstar Pacific spokesperson confirmed the incident on Sunday, saying it had happened to flight BL771 bound for Ho Chi Minh City from Hanoi on Saturday.

The plane was taxiing to the runway when a female passenger, N.T.H., in seat 26D pressed the emergency button to call for help, according to the spokesperson.

Flight attendants showed up and found her to be tired.

H. said she had drunk too much coffee, felt sleep-deprived and asked to leave the plane. But she changed her mind shortly after that and agreed to continue the flight.

The woman, however, demanded help again when the aircraft was about to take off.

The pilots quickly aborted take-off and required emergency help from ground medical services when the cabin crew saw the passenger showing signs of numbness of limbs.

The passenger was taken to the Bac Thang Long hospital near the airport, where she was given emergency treatment.

Doctors said the woman was suffering exhaustion resulting from sleep deprivation and excessive coffee consumption. Her condition is stable now.

The passenger told flight attendants on the plane that she had undergone an operation.

Airlines warn that pregnant women and passengers who have a history of heart disease or hypertension only fly with the consent of their doctor.

Those in poor health or have just gone under the knife are advised to inform aviation personnel of their condition, according to flight protocols.

It is also recommended that such passengers show their health documents or doctor confirmation when boarding a plane.

In September 2018, a Jetstar Pacific crew managed to save a U.S. passenger from a heart attack during a flight from Bangkok to Ho Chi Minh City.

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