When dealing with a demanding client whose requests disrupt your workflow, it's important to balance their needs with your efficiency. Begin by actively listening to their concerns to show you value their input. Clearly communicate your processes and set realistic expectations about timelines and deliverables. Politely establish boundaries by explaining how constant interruptions affect your ability to serve them effectively. Propose scheduled updates or designate specific times for communication to minimize unscheduled disruptions. Prioritize their requests based on urgency alongside other clients'. Managing expectations and maintaining respectful communication, you can minimize workflow disruptions while still providing excellent service.