Everyone becomes busy in their life and start finding the Facebook Chat notification annoying or they do not have that much time to chat on Facebook. So they can disable the Facebook chat by signing to their Facebook account.
You can adjust the status of your Facebook chat by clicking on the active or inactive button. In case you are logging to your Facebook or Messenger on any different computer or smartphone, then you have to also disable the Facebook on that system also.
Steps for Disabling the Facebook Chat on the PC