We spend about 20 percent of our total sleep time in a dream state. For most of us, this means we dream one and a half hours each night or, on the average, spend four years of our lifetime in a dream state.
Creative Dreaming (1974)
We spend about 20 percent of our total sleep time in a dream state. For most of us, this means we dream one and a half hours each night or, on the average, spend four years of our lifetime in a dream state.
Creative Dreaming (1974)
