In the psychology subfield of oneirology, a lucid dream is a type of dream wherein the dreamer realizes that they are dreaming during their dream. [1L]
A nightmare, also known as a bad dream,[1] is an unpleasant dream that can cause a strong emotional response from the mind, typically fear but also despair, anxiety, disgust or sadness. [1N]
A recurring dream is a dream which is experienced repeatedly over a long period. They can be pleasant or nightmarish and unique to the person and their experiences. [1R]
Oneiromancy (from Greek όνειροϛ (oneiros) 'dream' and μαντεία (manteia) 'prophecy') is a form of divination based upon dreams, and also uses dreams to predict the future. [1P]
In the psychology subfield of oneirology, a lucid dream is a type of dream wherein the dreamer realizes that they are dreaming during their dream. [1L]
A nightmare, also known as a bad dream,[1] is an unpleasant dream that can cause a strong emotional response from the mind, typically fear but also despair, anxiety, disgust or sadness. [1N]
A recurring dream is a dream which is experienced repeatedly over a long period. They can be pleasant or nightmarish and unique to the person and their experiences. [1R]
Oneiromancy (from Greek όνειροϛ (oneiros) 'dream' and μαντεία (manteia) 'prophecy') is a form of divination based upon dreams, and also uses dreams to predict the future. [1P]