Researchers followed nearly 10,000 people between the ages of 42 and 81 for almost 10 years. They recorded both the amount of sleep they typically got each night, as well as whether they had a stroke. Sources: http://time.com/3723802/risks-sleeping-too-much/ http://m.neurology.org/content/earl...hort?sid=7f1e94c5-cb5a-4736-b279-6c7473c6bc92
I average about five hours per night... something like that, but my grandmother had a stroke. Who knows? I suppose we'll see.