Kayla’s Reviews > The Sleep Revolution: Transforming Your Life, One Night at a Time > Status Update

"...the less we sleep as we grow older, the faster our brains age. [...] Researchers found that lack of sleep in older adults increased the pace of brain-ventricle enlargement and decreased cognitive performance, the very markers of brain aging associated with the onset of Alzheimer's." This is just one of the thousand reasons in this book that getting at least 8 hours of sleep a night is essential!