[arm-allstar] how can i determine why a bbb node goes to sleep

[Neil k8it]

I have noted a "sleeping node" or node lockup issue after extended hours of no activity. I try to key up the node when this occurs and get nothing. the status of the node shows connected and not keyed up. the timing of these sleeping periods seem random. some people have suggested starting a cron job to reboot on a regular schedule. rebooting the node does bring it back 100%
Are there any thoughts or best practices to share?
73 k8it 41838 or Echolink k8it-l
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