The pope "rested well" and woke shortly after 8 a.m. this morning, his 20th day in hospital, as his condition remains stable and his prognosis remains reserved.

Pope Francis, hospitalized for more than two weeks with pneumonia in both lungs, suffered two acute respiratory failures, requiring intervention, the Vatican says.

After experiencing progressive improvement the past few days, Pope Francis experienced “an isolated crisis of bronchospasm” which led to coughing and “vomiting with inhalation,” which worsened his respiratory condition, the Vatican said.

Pope Francis, 88, was placed on a non-invasive mechanical ventilator after a bronchospasm caused him to inhale vomit. His condition is “guarded.”

Pope Francis "slept all night" following Monday's medical intervention amid two episodes of "acute respiratory failure," the Vatican said Tuesday. "The pope slept all night, now he continues his rest,

Vatican City: Pope Francis suffered an isolated episode of bronchospasm on February 28, causing vomiting and a deterioration in his respiratory condition, Vatican News reported.

The Vatican said Friday that Pope Francis is on a breathing machine after suffering a sudden respiratory episode during his hospitalization.

On Saturday evening the Vatican said that Francis did not experience any episodes of bronchospasm — a tightening of the muscles in the small airways of the lungs — throughout the day.

ROME -- Pope Francis' condition appeared on Tuesday morning to stabilize after Monday's medical intervention amid two episodes of "acute respiratory failure," Vatican sources told ABC News.