I added the 'scary hour' hack to my mornings. My ability to focus shot up and so did my productivity — here's how it works.

• Vip Sitaraman is a consultant and entrepreneur who uses several tools to track his productivity. 
• He said the "scary hour" productivity hack helps him complete his most daunting task each day.
• He's able to block out Slack, emails, meetings, and analysis paralysis to focus and get work done.

This as-told-to essay is based on a conversation with Vip Sitaraman, a 25-year-old digital consultant and business owner from Phoenix, Arizona, about his experience with the productivity hack "scary hour." It's been edited for length and clarity.