There's nothing like a good night's sleep. What if technology could help us get more out of it? Dan Gartenberg is working on technology that stimulates deep sleep, the most regenerative phase that could (among other wonderful things) help us consolidate our memories and shape our personalities. Learn more about how playing sounds that reflect brain waves during this stage can lead to deeper sleep – and its potential benefits for our health, memory and learning.

Watch more TED talks: http://www.ted.com

The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers deliver the talk of a lifetime in 18 minutes (or less). Look for talks on technology, entertainment and design, plus science, business, global issues, art and more.

Follow TED on Twitter: http://www.twitter.com/TEDTalks
Like TED on Facebook: https://www.facebook.com/TED

Subscribe to our channel: https://www.youtube.com/TED

Please take the opportunity to connect and share this video with your friends and family if you find it helpful.