ScienceAlert | Could insomnia lead to heart failure? The Courier-Journal There are some indications that a biological cause might explain an insomnia-heart failure connection, Laugsand said. “One possible mechanism could be that insomnia activates stress responses in the body that might negatively affect heart function,” he ... Poor sleep linked to heart failure Insomnia Linked to Future Heart Failure Insomnia Linked to Greater Risk of Heart Failure |