The frequency of déjà vu (déjà rêve) and the effects of age, dream recall frequency and personality factors
A question about déjà rêve (already dreamt, a form of déjà experience) was included in a large "sleep, dreams, and personality" survey of 444 (mainly psychology) students at three German universities. The incidence of déjà rêve was high (95.2%) and, like most other déjà experiences, was negatively correlated with age. In addition to dream recall frequency, the most influential personality dimensions were thin boundaries and absorption. Additional research should use diary measures and experimental approaches in addition to the trait and dream variables.
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