That you hear sighs, indicates minor trouble and anguish.
Dream dictionary: Sighs dream meanings
Dreaming with sighs, either other people sighing or we doing it ourselves, means that something that weve been waiting for is going to take its time. Sighing usually means disappointment, discontent and great sufferings that approach or that are already being experienced.
A deep sigh in a dream means initiating a project which demands are cumbersome and which progress is slow and painful. In general, deep sighs in a dream indicate an involvement that will cause sufferings.
…Walking through fields of fragrant clover is a propitious dream. It brings all objects desired into the reach of the dreamer. Fine crops is portended for the farmer and wealth for the young. Blasted fields of clover brings harrowing and regretful sighs. Dreaming of clover, foretells prosperity will soon enfold you. For a young woman Dreaming of seeing a snake crawling through blossoming clover, foretells she will be early disappointed in love, and her surroundings will be gloomy and discouraging, though to her friends she seems peculiarly fortunate….