You can add a better memory to the laundry list of benefits that derive from getting plenty of sleep. A study out of Baylor University found that sleep history was a strong indicator of memory and cognition performance in older adults. Obviously, the first thing you need to remember is to get enough sleep: http://www.smithsonianmag.com/smart-news/want-better-memory-30-years-go-sleep-now-180954011/?no-ist