Bluetooth trouble

Has anyone had any trouble recently with their watch staying connected? I’ve had mine a few months shy of a year and I love it but the past few days I haven’t been able to use it as the Bluetooth won’t work. The watch will disconnect from my phone and revert back to all its previous settings. I will then reconnect it and after just a few minutes all the settings have reset again. I can’t seem to find a way to fix it and was wondering if anyone else had this problem.