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My Simple Productivity System

Dr. Tiffany Shelton·
5 min read

Based on Dr. Tiffany Shelton's video on YouTube. If you like this content, support the original creators by watching, liking and subscribing to their content.

TL;DR

Capture every new task, idea, or reminder immediately into a single running to-do list to prevent mental overload.

Briefing

A simple two-part productivity system—capture tasks immediately and then schedule them—can cut overwhelm by preventing to-dos from piling up in the mind or on an unsorted list. The core problem isn’t usually a lack of time; it’s how tasks are collected and handled. In one case, Elaine, a single mom balancing a demanding human resources job and a side business, felt constantly behind. Her Monday “brain dump” produced a massive, chaotic to-do list that left her more stressed and scattered, even when she was working hard.

The fix started with one rule: capture every new task, idea, or reminder the moment it appears into a single running to-do list. That immediate capture is framed as a way to offload mental storage—brains are for generating ideas, not holding onto everything. But capture alone wasn’t the whole solution. Elaine’s overwhelm eased once her tasks were categorized clearly, so the list became usable instead of intimidating. The system uses three categories: (1) one-off tasks—single, actionable next steps typically doable in under 30 minutes; (2) project tasks—anything requiring multiple steps, even if it’s small; and (3) life area tasks—items reviewed during weekly planning to jog memory across personal, professional, and “someday” domains.

To make the capture habit practical, the system recommends using a “second brain” setup such as Notion to hold the running to-do list, project database, and life areas. Alternatives include Todoist for capture or even simple notes apps, plus low-tech options like post-its or whiteboards—so long as items get transferred into the digital capture system by day’s end. It also distinguishes between a running to-do list and separate inboxes (email flags, physical inboxes) that must be processed later rather than left to ferment.

A second case, Jasmine, shows why capture can fail even when someone is diligent. Jasmine wrote everything down and kept a well-organized list, yet still felt anxious because tasks sat untouched for weeks. The missing piece was scheduling: “schedule it or it won’t happen.” Clinicians’ “write it down or it didn’t happen” becomes a productivity rule—capturing creates the list, but calendar time creates follow-through. Jasmine began assigning specific days and times to tasks directly in her calendar, and tasks stopped piling up, replaced by calm and control.

Scheduling rests on three essential routines. First is the weekly review, treated as the “glue” of the system: clear inboxes, assess what’s working, update projects, and decide what must happen next week. Second is weekly planning, where non-negotiables from a digital calendar are moved into a paper planner, then to-dos are placed into the week’s batch days, and finally time blocks are set for daily routines using a BBB method (book non-negotiables, batch tasks, then time-block). Third is a 15-minute “windown work” routine at day’s end to scan all capture sources—post-its, notebooks, boards, fridge notes—for anything urgent before it slips into the next day.

The takeaway is straightforward: capture tasks immediately, categorize them so they’re actionable, and then schedule them through weekly review, weekly planning, and end-of-day windown work so the system earns trust and produces results.

Cornell Notes

The system targets overwhelm by fixing two failure points: mental storage and unscheduled follow-through. First, every task, idea, or reminder gets captured immediately into a single running to-do list, then sorted into three categories: one-off tasks (next actions under ~30 minutes), project tasks (multi-step outcomes), and life area tasks (reviewed during weekly planning to uncover forgotten items). Second, captured tasks must be scheduled—“schedule it or it won’t happen”—so they don’t sit for weeks and trigger anxiety. Scheduling is maintained through a weekly review (clear inboxes, update priorities and projects), weekly planning (move non-negotiables, batch tasks, time-block daily routines), and a 15-minute end-of-day windown work scan for urgent items.

Why does a “brain dump” to-do list often increase stress instead of reducing it?

A large, unstructured list can feel like constant failure because it’s hard to act on. Elaine’s Monday habit of dumping everything she could think of into one massive list didn’t create clarity; it left her scattered and more overwhelmed. The system’s response is to capture immediately and then categorize so tasks become actionable next steps, projects, or life-area items meant for weekly review.

What are the three categories in a running to-do list, and how do they change what you do next?

One-off tasks are single actions that can usually be completed in one sitting (often under 30 minutes) and represent the literal next action. Project tasks require multiple steps to finish, even if the project is small (e.g., planning a birthday dinner). Life area tasks are reviewed during weekly planning to surface forgotten items across personal, professional, general, people, calendar, personal growth, home management, and “someday” domains.

How does the system prevent tasks from being lost when they appear in different places?

It separates capture from processing. New items go into the running to-do list immediately, while other places—flagged emails, physical inboxes, and desk notes—act as temporary holding areas. A weekly review and end-of-day windown work routine then process those sources so nothing stays stuck in limbo until it becomes urgent.

What went wrong for Jasmine despite perfect capture habits?

Jasmine captured tasks quickly and kept the list organized, but she didn’t schedule them. Tasks sat untouched for weeks, which created anxiety every time she saw them. The corrective rule was to schedule captured tasks directly into her calendar with specific days and times, turning intentions into execution.

What makes the weekly review the “glue” of the system?

The weekly review is the dedicated time to make the system current and complete: clear inboxes, organize captured items, reflect on what’s working, refocus priorities, update projects, and decide what needs to be done next week. Without it, the list becomes stale and trust erodes.

How does windown work fit between weekly planning sessions?

Windown work is a 15-minute end-of-day scan for anything captured that might be urgent before the next planning cycle. It includes checking common capture surfaces—post-its, notebooks, desk whiteboards, refrigerator notes—and then adding urgent items into the running to-do list and scheduling them appropriately.

Review Questions

  1. How would you categorize a task like “transition your child to a new daycare” and why?
  2. What specific outcomes should happen during a weekly review to keep the system reliable?
  3. Why does scheduling matter even when tasks are captured immediately and kept organized?

Key Points

  1. 1

    Capture every new task, idea, or reminder immediately into a single running to-do list to prevent mental overload.

  2. 2

    Sort captured items into one-off tasks, project tasks, and life area tasks so the list stays actionable.

  3. 3

    Use a consistent “second brain” (e.g., Notion, Todoist, or notes) and ensure any low-tech captures get transferred by day’s end.

  4. 4

    Schedule captured tasks with specific days and times; “schedule it or it won’t happen” prevents weeks-long backlog anxiety.

  5. 5

    Run a weekly review to clear inboxes, update projects, and decide next week’s priorities and next actions.

  6. 6

    Plan weekly by moving non-negotiables from a digital calendar into a paper planner, batching to-dos, then time-blocking daily routines using the BBB method.

  7. 7

    Do a 15-minute end-of-day windown work scan to catch urgent items from post-its, notebooks, boards, and fridge notes before they slip.

Highlights

Overwhelm often comes from task management habits, not from a lack of time—Elaine’s Monday brain dumps made her feel more scattered.
A running to-do list works when tasks are categorized into one-off next actions, multi-step projects, and life-area items reviewed weekly.
Capture isn’t enough: Jasmine’s anxiety persisted until tasks were scheduled into her calendar with specific times.
The weekly review functions as system maintenance—clearing inboxes, updating projects, and selecting next week’s actions.
A short end-of-day windown work routine helps prevent urgent items from falling through the cracks between planning sessions.