To notice your fingernails in your dream indicate that your defenses are up. Consider the length of the nails, the colour (if applicable), the condition, and the cleanliness of the nails for additional meaning to your dream. If you dream that your nails are long, then it signify your idleness. You are not taking action. If you are wearing fake fingernails, then it suggest that you are reaching out to others, but do not have their best interest in mind. You may be acting in a disingenuous way. If you dream of red fingernails, then it refers to a tempting situation. The red fingernails may also be your subconscious’ way of alerting you to a problem that you are overlooking.
To dream that you are polishing your fingernails represent glamour. Dreaming that you break or chip a nail means that you need to stop and think about your actions. If you are cutting or clipping your nails, then it means that you are holding something back. You are not being completely honest. Dreaming that your nails are falling or sliding off your fingers implies that you are feeling defenseless. It may also mean that you are letting down your guard.
To dream that you are chewing your nails indicate that a problem is too tough to handle. You are not sure how to go about resolving a situation in your waking life. If you dream that your fingernails are growing rapidly refers to your desires to reach out to someone. You want to be able to extend a part of yourself to others.
To dream that a man has long red fingernails suggest that he is very in touch with his sensitivity and emotions. It may also relate to issues of sexuality and sensuality.

