Although some superhero babies sleep 10-12 hours straight starting around 3-4 months of age, most infants wake up during the night and cry out for their parents. There are scientific reasons and some developmental and behavioral explanations for these awakenings.
I think the sleep revolution is one major endorsement away from exploding into popular culture. The foundation is in place. We just need one athlete to speak out about how he or she considers sleep to be a cornerstone for success.
Despite the initial promise of sleep learning, the general consensus in the scientific community is that such research is outdated. However, the same collective seems to be taking another look at sleep now.