About Russell Foster: Why do we sleep?
Russell Foster is a circadian neuroscientist: He studies the sleep cycles of the brain. And he asks: What do we know about sleep? Not a lot, it turns out, for something we do with one-third of our lives. In this talk, Foster shares three popular theories about why we sleep, busts some myths about how much sleep we need at different ages -- and hints at some bold new uses of sleep as a predictor of mental health. Film Duration: 21 min
Similar to Russell Foster: Why do we sleep?
Entrepreneur Elon Musk is a man with many plans. The founder of PayPal, Tesla Motors and SpaceX sits down with TED curator Chris Anderson to share details about his visionary projects, which include a mass-marketed electric car, a solar energy leasing company and a fully reusable rocket. Film Durati...
Body language affects how others see us, but it may also change how we see ourselves. Social psychologist Amy Cuddy shows how "power posing" - standing in a posture of confidence, even when we don't feel confident - can affect testosterone and cortisol levels in the brain, and might even have an imp...
Throughout the history of Islam, says journalist Bobby Ghosh, there have been two sides to jihad: one, internal, a personal struggle to be better, the other external. A small minority (most recently Osama bin Laden) has appropriated the second, using it as an excuse for deadly global violence agains...
Sheryl Sandberg is Facebook’s Chief Operating Officer. She is responsible for helping Mark Zucherberg make Facebook profitable. Yet, with women like Sheryl Sandberg and Yahoo CEO Marissa Mayer leading the way, there are still far too few women in positions of power. Why is this? Sandberg delivers a...
What motivates us to work? Contrary to conventional wisdom, it isn't just money. But it's not exactly joy either. It seems that most of us thrive by making constant progress and feeling a sense of purpose. Behavioral economist Dan Ariely presents two eye-opening experiments that reveal our unexpecte...
Discussion on Russell Foster: Why do we sleep?