Actress Joan Gardner was a beautiful sleeper. But she probably wasn't a lucid dreamer. The ability is quite rare. Sasha/Getty Images hide caption toggle caption Sasha/Getty Images Shots - Health News Neuroscientists Hack Dreams With Tiny Shocks May 14, 2014 Small electrical pulses make people feel that they can control their dreams, the hallmark of lucid dreams. But researchers are far away from inducing powers like those seen in the movie Inception.