Research shows that lack of sleep can often be associated with dementia, weakened immunity, and other compromises to your health. With about one-third of Americans experiencing chronic sleep deprivation, everyone is looking for tips to get better sleep.

Alcibiades Rodriguez, MD, medical director of NYU Langone’s Comprehensive Epilepsy Center—Sleep Center, spoke with CBS News about tips for better sleep and starts by emphasizing the importance of both quantity and quality, which are very much related. “The same way quality of sleep is important, some people may need 9, 10 hours because they're compensating for the lack of quality at night,” Dr. Rodriguez says. “As we get older, we have the tendency to nap more. Naturally, sleep gets lighter, so we don't get that deeper sleep like we used to have as we were younger.”

Watch more on CBS News.