Hypnosis can assist children in overcoming a fear of aliens by addressing the root causes of their anxiety. Through guided relaxation and visualization, hypnosis creates a safe environment for children to explore their fears and gradually desensitize to them. By fostering a calm and receptive state, hypnosis helps children reframe their perceptions, leading to decreased fear and increased feelings of safety. This process empowers children to confront their fears in a controlled manner, enabling them to move past their anxiety and live more confidently.