Turning on and off by itself

So i’ve had mine sat around for a couple of days without it plugged in, the battery must be getting kinda low as it’s been turning itself on and off without any human interaction…anybody else experienced this?

The other day I had mine powered on and charging and as I walked into my room I saw the screen light up and reboot. I imagine it probably did this other times while I wasn’t paying attention. I usually leave it powered off unless charging to get ready to use so I’m not sure how often it does this.