In dreams, "dualiteit" or duality often symbolizes the presence of two opposing forces or aspects within oneself or in one's life. This theme can manifest in various forms, such as pairs of characters, contrasting environments, or conflicting emotions.

Dreams reflecting dualiteit may indicate an internal struggle, such as the battle between one’s desires and responsibilities, or the tension between differing aspects of personality, such as the rational versus the emotional self. These dreams can also highlight the need for balance in a waking life situation, suggesting that reconciliation of these opposing elements is necessary for personal harmony.

Common imagery associated with duality in dreams includes:

• Shadow and light: representing the conscious and unconscious parts of the self.
• Mirrors or reflections: symbolizing self-examination and the perception of different facets of identity.
• Opposing colors: such as black and white, representing the extremes in thought or behaviour.

Experiencing dualiteit in dreams may serve as a prompt for self-reflection and can guide individuals to explore their complexities, ultimately seeking a more integrated self.