Dream incubation
Encyclopedia
Dream incubation is a practiced technique of learning to "plant a seed" in the mind, in order for a specific dream topic to occur, either for recreation or to attempt to solve a problem. For example, a person might go to bed repeating to themselves that they will dream about a presentation they have coming up, or a vacation they recently took. While somewhat similar to lucid dreaming
Lucid dreaming
A lucid dream is a dream in which one is aware that one is dreaming. The term was coined by the Dutch psychiatrist and writer Frederik van Eeden . In a lucid dream, the dreamer can actively participate in and manipulate imaginary experiences in the dream environment. Lucid dreams can seem real and...

, dream incubation is simply focusing attention on a specific issue when going to sleep. Several studies have shown this method to be successful over a period of time.

Description

For example, in a study at Harvard Medical School, Dr. Deirdre Barrett
Deirdre Barrett
Deirdre Barrett, Ph.D. is an author and psychologist who teaches at Harvard Medical School. She is known for her research on dreams, hypnosis, and imagery and has written on evolutionary psychology. Barrett is a Past President of The International Association for the Study of Dreams and of the...

 had her students focus on a problem, such as an unsolved homework assignment or other objective problem, before going to sleep each night for a week. She found that it was certainly possible to come up with novel solutions in dreams that were both satisfactory to the dreamer and rated as objectively solving the problem by an outside observer. In her study, two-thirds of participants had dreams that addressed their chosen problem, and one-third reached some form of solution within their dreams. Other studies have found this type of bedtime dream incubation effective in solving problems of a more subjective, personal nature. In Barrett's book, The Committee of Sleep, she describes her study of prominent artists and scientists who draw inspiration from their dreams. While most of these dreams occurred spontaneously, a small proportion of the respondents had discovered informal versions of dream incubation on their own. They reported giving themselves successful pre-sleep suggestions for everything from seeing finished artwork in their dreams to developing plots or characters for a novel to asking dreams to solve computing and mechanical design problems.

A 2010 article in Scientific American
Scientific American
Scientific American is a popular science magazine. It is notable for its long history of presenting science monthly to an educated but not necessarily scientific public, through its careful attention to the clarity of its text as well as the quality of its specially commissioned color graphics...

quotes Barrett summarizing a few of the incubations techniques from The Committee of Sleep as follows:
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