Pope Francis, who is battling double pneumonia in the hospital, had a “tranquil” night and rested, the Vatican said on Sunday. The pope was admitted to Rome’s Gemelli hospital on February 14 after experiencing difficulty breathing for several days and subsequently had pneumonia diagnosed in both lungs.

Pope Francis was in critical condition Saturday after he suffered a long asthmatic respiratory crisis that required high flows of oxygen, the Vatican said.

The Vatican says Pope Francis rested during a peaceful night. The brief update came after doctors said the 88-year-old pope was in critical condition.