The brainwaves of lucid dreamers tend to hover around a frequency of 40Hz. When stimulation of 40Hz was applied to the volunteers' scalps, they reported an increase in dream lucidity. Discovering the secret to lucid dreaming could help people who suffer from chronic nightmares or post-traumatic stress disorder.
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Key Facts In This Video
Everybody has about three to seven dreams a night, even if they don't remember them. (0:17)
Performing "reality checks" in dreams can lead to the realization that you are dreaming. (0:36)
Trying to stay aware while the body falls asleep may cause the temporary condition known as sleep paralysis. (1:38)