To dream that you are sighing over any trouble or sad event, denotes that you will have unexpected sadness, but some redeeming brightness in your season of trouble.

To hear the sighing of others, foretells that the misconduct of dear friends will oppress you with a weight of gloom.

To dream of sighing, or hearing a sigh, suggests that you need to learn from your disappointments and make yourself happy.

Try not to dwell on the negative.