This dream may symbolize a need for boundaries and self-discovery in your waking life. The presence of your friends at your house suggests a sense of comfort and familiarity, but the sudden appearance of the three siblings may represent a disruption or intrusion into your personal space. The little kid passing through you could symbolize a lack of awareness or disregard for your boundaries, while the older sister and younger brother slowly approaching may represent a gradual realization of this intrusion. The dream two days ago of sleeping with the sister could symbolize a desire for intimacy or closeness, but the discomfort and avoidance in this dream may suggest conflicting feelings or a need for personal space. The realization that you were in a dream and forcing yourself to leave could symbolize a need to assert your boundaries and prioritize your own needs. Overall, this dream may be urging you to reflect on your boundaries and prioritize your own well-being.