In Spidersilk the novel, the many of the main characters know how to lucid dream. In their dreams they control what is going on around them, which helps them defeat some of the intruders. In our own reality, many people believe to take control of their dreams and enjoy the power of the lucid dream every time they sleep. This technique was first discovered by Tibetan monks, but has become a worldwide topic of conversation. To learn more on lucid dream, check out this link:

http://www.world-of-lucid-dreaming.com/