In a linked editorial, Professor Thomas Luuscher, from the Royal Brompton and Harefield Hospitals in London, said “many all-day drinkers suffer from sleep disturbances”.

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She is based at the Royal Brompton Hospital and her role involves implementing the programme, protocol development and execution. Dr Chan is a PhD student at the National Heart and Lung Institute.

Professor Philip Molyneaux, consultant in interstitial lung disease at the Royal Brompton Hospital, London, said: “While current therapies have been successful in slowing the progression of the ...