how did sinead oconnor die

Sinéad O'Connor died from natural causes related to chronic obstructive pulmonary disease (COPD) and bronchial asthma, along with a low-grade lower respiratory tract infection. She was found unresponsive at her home in London on July 26, 2023, and her death was not considered suspicious. The official death certificate, registered by her former husband John Reynolds, states the cause as "exacerbation of chronic obstructive pulmonary disease and bronchial asthma together with low-grade lower respiratory tract infection".