Little old article though... but worth reading.
https://www.thecut.com/2018/07/why-dont-we-dream-about-our-smartphones.html
our dreamsenable us to process our fears as well as anxieties. ... And with mobile phones being a more recent development, we don't see it in our dreams. Therefore our dreams are more about escaping a threatening situation than about reading, writing or your 'mobile phone'.
https://www.thecut.com/2018/07/why-dont-we-dream-about-our-smartphones.html
our dreamsenable us to process our fears as well as anxieties. ... And with mobile phones being a more recent development, we don't see it in our dreams. Therefore our dreams are more about escaping a threatening situation than about reading, writing or your 'mobile phone'.