Gas Mask
To see or wear a gas mask in your dream suggests that the information that you are receiving from others is being filtered. You are not getting the full information. Others may perceive you as fragile or vulnerable.
To see a cup in your dream represents love, nurturance and the womb. The cup may also signify rejuvenation and healing. Alternatively, it indicates a transcendence into a realm of higher consciousness. Is the cup half-full or half-empty? Do you see life from an optimistic or pessimistic point of view.
To see an ambulance in your dream indicates that your careless activities and indiscretion may lead to major problems and complications. This dream may also stem from your own fears of contracting a disease or your deteriorating health. Perhaps, you should cease what you are doing and pay closer attention to some waking situation.