There are a few reasons why your PlayStation 4 may be lagging. One reason could be that your console is not receiving the latest updates from Sony. If you have not received any new firmware updates in a while, it is possible that your PlayStation 4 may be struggling to keep up with the latest software and hardware advancements. Another reason could be that your console is not being used as it should be. If you are not using your PlayStation 4 as much as you should, then it may be causing it to lag. Finally, if you are experiencing any problems with game performance or stability, then it might be worth checking out our guide on how to fix PlayStation 4 lagging issues.