I honestly think (for me, at least) the implied causation is the wrong way round here. When I'm feeling sad, I tend to be unmotivated and liable to spend more time / all day on my phone. When I'm feeling great, I'm generally motivated to go outside / do DIY / read / have a lot less screen time. I initially spent lots of effort trying to reduce my screen time (parental controls, etc) before realising that it was proba…
You're highlighting the feedback mechanism that this disease uses to maintain itself. The spiral of doom. Any attempt to break it is beneficial, though it may feel like the opposite is happening.
It was more like "Emotional AIDS" - it's not that the depression made me sad, it just took away all my emotional immunity/resilience