Answer:
At the sound of me, one may dream or stamp their feet, At the sound of me, one may laugh or sometimes weep.
I have four legs but no tail. Usually I am heard only at night.
I can ruin your day, or darken your life. And while I'm expected, I'm never alright. I'm bad for business, and worse for your hair. Wherever I am, there's something not there.
It's in your hand though you can not feel it. Only you and time can reveal it.
I'm very tempting, so its said, I have a shiny coat of red, and my flesh is white beneath. I smell so sweet, taste good to eat, and help to guard your teeth.
People take me on walks and I run and have fun. What am I?