Is benign fasiculation syndrome associated with anxiety?

I found only one : study that showed a slight association with body height & weight & level of anxiety. Also associated were lack of sleep, a history of strenuous exercise &, of course, exposure to certain medications.

Sometimes: They often coincide in people but there is no clear relationship - certainly not a cause! It must be annoying at times depending on the muscles involved but it is not dangerous and often goes away. Here's info:https://en.wikipedia.org/wiki/Benign_fasciculation_syndrome Ask your provider if there are any special issues in your case. Some say antioxidants can help. - who knows?