To dream of noticing deception represents you feeling that someone or something in your waking life is not doing what they’re supposed to be doing. It may also reflect you attempt to sidestep rules. Alternatively, it may reflect your awareness of yourself trying to make excuses or your guilt about lying.
To dream of yourself trying to lie or deceive another person may reflect your attempt to lie to yourself or make excuses. It may also reflect your awareness of yourself trying to get away with something or be dishonest with someone. You may feel guilty.