Until it connects to somewhere it's a push button to nowhere. Where does I connect?
I remember trying a tens, it was annoyingly like self induced static electricity shocks. It worked on the distraction principle. By hurting you some other place you aren't so aware of the back pain.
@Mamapolo2016 Understandable. Alone in the middle of the night, the conversation you are having with yourself can be mild to moderately confrontational :)
@SW-User Keeping in mind that I was (and still am, at heart) an English major and science is a gorgeous fascinating mystery to me...here's what I told somebody else...
You hold it in your hand (left for sleep and right for anxiety) and
It generates microcurrent (for most, indiscernible) and "interrupts" the focus of the user during anxiety episodes and helps relax tensions and encourage production of melatonin and endorphins for sleep.