Washington D.C., Aug. 24 -- : People suffering from insomnia may have a higher risk of coronary artery ailment, heart failure, and stroke, suggests a study.

The study was published in the journal -- Circulation.

Previous observational studies have found an association between insomnia, which affects up to 30 per cent of the general population, and an increased risk of developing heart disease and stroke.

However, the observational studies were unable to determine whether insomnia is a cause, or if it is just associated with them, explained Susanna Larsson, lead author of the study.

In this first-of-its-kind study on insomnia, Larsson and a colleague applied Mendelian randomisation, a technique that uses genetic variants known to be con...