My head is buzzing and I can't relax

I wanted to settle for an hour or longer meditation session yesterday, which is something I used to enjoy doing. However I couldn't sit down long enough to meditate. It was as though I was hearing my thoughts as bees, telling me I had to do multiple things at once. I felt like I had to constantly text someone, restlessly do homework, clean random things that didn't need to, indulge in self-destructive behavior. I couldn't settle enogh to do breathing exercises, stretches, or even write a loving note to myself.

I could really use some simple things I could do to regulate this restlessness. I want to be able to be calm enough to do a relaxing and calming activity. Any and all suggestions welcome!