@Andercam I agree. I spent several weeks troubleshooting with Kasa support following what they described above only for it to not be resolved. I thought it was but the lights turned off and back on...

@Glovej I have 3 HS200 switches that randomly turn off then back on too. They don't happen at any apparent interval, just randomly a few times throughout the night. Curious to know if you were able...