Yes I've read a lot about this in this subreddit, see this [Reddit search page](https://www.reddit.com/r/Stutter/search/?q=period&type=link&cId=33b58439-2b88-42e6-a143-0b6aff66296d&iId=9c814d76-14ba-48b6-a8c2-f2177a8aa298).