Insomnia is a common disorder linked with adverse long-term medical and psychiatric outcomes. It affects 10-20% of adults, and several twin and family studies suggested that about a third of the risk of insomnia is inherited. Now a team of scientists from the University of Exeter and Massachusetts General Hospital has identified 57 new gene regions associated with symptoms of insomnia. Lane et al identified 57 loci for self-reported insomnia symptoms...
