What zwave devices have you been using? I have only used zwave (leviton, ge) and have only had to restart a switch 2-3 times. My biggest gripe with zwave was when home assistant switched the supported plugin.
* GE/Jasco outdoor outlet controls
* Schlage motorized door locks
* Linear garage door controller
* Aeotec outlet control
* Aeotec repeater
* Aeotec temperature and humidity sensor