Lights turning on when I don't want them

I have a Ring system with a doorbell camera, light on my driveway, and light on my back deck. I have two issues that I can't seem to resolve:1) When the driveway motion detector senses movement, and the light comes on, it will stay on for 30 seconds, shuts off for a second or two, then comes back on for 30 seconds, shuts off for a second or two, then comes back on for 30 seconds. It repeats this cycle for 12 cycles. Then stops. I cannot stop this cycle from my phone's app. If I turn off Motion Detection via my app, the lights will immediately turn off, but then the lights and the motion detection will come back on in a second or two. And the cyle continues. The only way to break this cyle to to turn off the light switch inside my home that controls power to that light. The motion detection history shows only the initial 30-second cycle.2) The back deck light will come on randomly in the middle of the night for 30 seconds, then shut off. My assumption is that if the light comes on that it was triggered by motion detection. However, there is nothing to show in the motion detection's event history. This is a random, one-time occurance, that doesn't happen every night, and doesn't cycle like the above issue. I can turn off the light either from my phone's app or by turning off the light switch inside my home that controls power to that light (that's assuming of course, that I'm not in bed and can get to my phone or the light switch within 30 seconds.)Thank you for your assistance.