When work slows down during certain periods, the best thing is to set yourself clear plans. Identify a few important tasks that you usually don’t have time to do during your busy periods and get them done. Be more deliberate about planning than you would during your busier periods.
When work slows down, you might find yourself drifting — unable to get excited about the tasks you could do, moving more slowly than usual, maybe reading articles and watching videos that have no particular relevance to your job. You just feel bored.