Yes, many people experience a negative impact on their productivity due to phone addiction. The constant access to information, social media, and various entertainment options on smartphones can easily distract and derail one's focus and productivity.

To successfully guard against phone addiction and improve productivity, here are some strategies that have been found effective:

1. Set clear boundaries: Establish specific times when you will use your phone for non-work-related activities. For example, you can allocate a designated break time or set specific hours in the day for phone use. Outside of those times, keep your phone out of sight or in a different room.

2. Utilize productivity apps: There are various apps available that can help you monitor and limit your phone usage. These apps can track your screen time, set app usage limits, and even block certain apps during specific periods. Examples of such apps include Forest, Moment, and RescueTime.

3. Practice digital detox: Consider taking regular breaks from your phone, such as a day or weekend without any phone usage. This can help reset your habits and reduce dependency on your device.

4. Create a distraction-free work environment: Set up a workspace that minimizes distractions, including your phone. Keep it in silent mode or turn off notifications to avoid constant interruptions.

5. Use productivity techniques: Employ time management techniques like the Pomodoro Technique, where you work for a focused period (e.g., 25 minutes) and then take a short break (e.g., 5 minutes). During the work period, keep your phone away or in a different room to avoid temptation.

6. Prioritize and schedule tasks: Plan your day in advance and create a to-do list with specific tasks and deadlines. By having a clear plan, you are less likely to succumb to phone distractions as you have a roadmap to follow.

7. Find alternative activities: Identify alternative activities that can help you relax and unwind without relying on your phone. This could include reading a book, going for a walk, practicing mindfulness or meditation, or engaging in a hobby.

8. Seek support and accountability: Share your goals and challenges with a trusted friend, family member, or colleague. They can help keep you accountable and remind you to stay focused on your work.

Remember, breaking phone addiction and improving productivity is a gradual process. It requires conscious effort, discipline, and self-awareness. By implementing these strategies and staying consistent, you can regain control over your phone usage and enhance your productivity.