Is sleep duration a risk factor for stroke?

Title of the paper: “Sleep duration and risk of fatal and nonfatal stroke: A prospective study and meta-analysis” l”Conclusions: This prospective study and meta-analysis identified prolonged sleep as a potentially useful marker of increased future stroke risk in an apparently healthy aging population. Neurology® 2015;84:1072–1079″ Title of the editorial: “Is sleep duration a measure for stroke?” Comment: should obective “real life” measurements of sleep;duration and sleep quality be integrated in future studies?