Solo Blocks
Personal focus sessions on your own schedule
Solo Blocks: Focus on Your Terms
Sometimes you need to focus at 2:47pm. Or 11:23am. Or midnight when inspiration strikes and the world is quiet.
Solo Blocks give you all the structure of Hourly Blocks - the timer, the debrief, the focus tracking - but on your schedule. No waiting for the top of the hour. No coordinating with others. Just you, your work, and a commitment to see it through.
Think of it as your personal focus chamber, available on demand.
How It Works
Starting a Solo Block
- Navigate to Solo Block in the sidebar
- Choose your duration: 30, 60, or 90 minutes
- Set your focus intention (what you'll accomplish)
- Click "Start Session"
- Focus until the timer completes
- Complete your debrief
Or use the quick-start buttons on your dashboard to jump into a session in one click.
The Three Session Lengths
30 Minutes: The Sprint
- Perfect for: Email processing, quick edits, short writing sessions
- Best for: When you have limited time between meetings
- Sweet spot: Tasks you can meaningfully progress in half an hour
60 Minutes: The Standard
- Perfect for: Deep work, creative projects, complex problem-solving
- Best for: Your most important work of the day
- Sweet spot: Tasks that need sustained attention but not marathon sessions
90 Minutes: The Deep Dive
- Perfect for: Writing, coding, research, complex analysis
- Best for: Work that requires getting into "the zone"
- Sweet spot: When you want to make major progress on a big project
The Solo Block Structure
Preparation (Before you start)
- Clear your workspace
- Close unnecessary apps/tabs
- Put phone on Do Not Disturb
- Have water/coffee ready
- Set your intention clearly
Focus Phase (Your chosen duration)
- Timer counts down
- Full-screen focus mode available
- Ambient music options (optional)
- No interruptions
- Track your actual focus in real-time
Debrief Phase (Immediately after)
- Rate your focus (0-100%)
- Note what you accomplished
- Reflect on what helped or hindered focus
- Celebrate your win
The Science: Why Solo Blocks Work
1. Time Constraints Boost Performance
In 1927, Bluma Zeigarnik discovered that people remember incomplete tasks better than completed ones. But here's the twist: when given a specific deadline, completion rates soar.
Solo Blocks leverage this "Zeigarnik effect" - the timer creates healthy pressure to finish within your allocated time. Studies show time-boxed work sessions increase output by 25-40% compared to open-ended "work until it's done" approaches.
The constraint isn't about rushing. It's about eliminating the escape hatch of "I'll finish this later."
2. Self-Determination Theory
Psychologists Edward Deci and Richard Ryan found that autonomy - the feeling of choice and control - is one of three core needs for human motivation.
Solo Blocks preserve your autonomy completely. You choose:
- When to start
- How long to work
- What to focus on
- Whether to use music, timers, etc.
This autonomy increases intrinsic motivation, leading to higher quality work and greater satisfaction. You're not being told to focus - you're choosing it.
3. The Ultradian Rhythm
Your brain naturally cycles through periods of high and low alertness every 90-120 minutes. This is your ultradian rhythm, discovered by sleep researcher Nathaniel Kleitman.
The 90-minute Solo Block aligns perfectly with one complete ultradian cycle. You work during a peak, then rest during the natural dip. Fighting this rhythm (working for 3-4 hours straight) leads to declining focus and quality.
4. Implementation Intentions (Solo Edition)
Remember those implementation intentions from Hourly Blocks? They work even better with Solo Blocks because you control the trigger.
Instead of "I'll work when the hour starts," you're creating: "I'll work on X for 60 minutes starting right now."
The immediacy creates urgency. The specificity creates clarity. The combination creates action.
Pro Tips: Mastering Solo Blocks
For Beginners
Match duration to task complexity.
- Simple tasks (emails, admin): 30 minutes
- Medium tasks (writing, editing): 60 minutes
- Complex tasks (coding, research): 90 minutes
Don't chain Solo Blocks back-to-back. Take real breaks:
- 5-10 minutes after a 30-minute block
- 10-15 minutes after a 60-minute block
- 15-20 minutes after a 90-minute block
Use the intention field as a contract with yourself. Be specific:
- ❌ "Work on presentation"
- ✅ "Complete slides 5-10 with visuals for Friday's pitch deck"
Start with the easiest task. Build momentum first, tackle the hardest work second. A 30-minute warm-up block can set you up perfectly for a 90-minute deep dive.
For Power Users
Create a "Focus Playlist." Same songs, every session. Your brain will learn: "These songs = deep work mode." Classical conditioning is your friend.
Track your "focus score patterns." After 10-20 Solo Blocks, you'll notice:
- What time of day you focus best
- Which duration gives you highest scores
- What types of work you focus easiest on
- How caffeine/food/sleep affects your focus
Use this data to schedule your most important work during your peak performance windows.
Use the "90-60-30 Cascade":
- Morning: 90-minute deep dive on hardest problem
- Midday: 60-minute session on medium complexity work
- Afternoon: 30-minute sprint on admin/easier tasks
This matches your declining energy/focus as the day progresses.
The "Two-Block Project Rule": If a task can't make meaningful progress in two 90-minute blocks, it's not a task - it's a project. Break it down further.
Advanced Techniques
The "Focus-Diffuse Cycle"
Based on Barbara Oakley's research on learning:
- Block 1 (60 min): Focused attention on problem
- Break (15 min): Completely switch context (walk, shower, different task)
- Block 2 (60 min): Return to problem with fresh perspective
Your diffuse mode (wandering mind) often solves problems your focused mode couldn't crack.
The "Accountability Stack"
Layer multiple commitment mechanisms:
- Set a Solo Block (time commitment)
- Tell someone what you're working on (social commitment)
- Set a visible timer (environmental commitment)
- Promise yourself a reward after (incentive commitment)
Each layer increases your follow-through probability.
The "Minimum Viable Session"
Having a low-energy day? Use this escape hatch:
- Start a 30-minute block
- Tell yourself: "I only have to work for 10 minutes"
- After 10 minutes, reassess
Often, starting is the hardest part. Once you're in motion, you'll keep going. If not, you still got 10 focused minutes - better than zero.
Solo Blocks vs. Hourly Blocks: When to Use Each
Choose Solo Blocks When:
- Your schedule is irregular or packed with meetings
- You're working on something deeply personal or creative
- You need absolute flexibility on timing
- You're building a specific skill through deliberate practice
- You prefer complete autonomy over social motivation
Choose Hourly Blocks When:
- You struggle with self-motivation
- You work better with others (even virtually)
- You want structure without scheduling everything
- You tend to procrastinate when working alone
- You benefit from external accountability
The Best of Both Worlds
Many power users do both:
- Morning: Scheduled Hourly Blocks for routine deep work (writing, coding, etc.)
- Afternoon: Solo Blocks as needed for meetings, collaboration, flexible work
- Evening: Solo Block for learning, side projects, personal development
You get structure when you need it, flexibility when you want it.
Common Challenges (And Solutions)
"I keep getting distracted mid-session"
This is normal. Focus is a muscle, and you're building it. Try:
The "Distraction Journal": Keep a notepad nearby. When a thought intrudes ("I should email Sarah"), write it down and return to work. You've captured it without disrupting flow.
The "Focus Fade" tracker: Note when focus drops (20 min? 35 min?). If you consistently lose focus at 40 minutes, switch to 30-minute blocks until your focus stamina improves.
The "Environment Audit": What's breaking your focus? Phone notifications? Background noise? Visual clutter? Fix one distraction per session.
"I finish early. Should I keep working?"
Interesting problem - you underestimated the task size. Two options:
- End the session and do your debrief. Log the early finish, adjust future estimates.
- Start the next task in the remaining time. You're already focused - why break the streak?
Either is fine. What matters is learning to estimate better.
"I don't finish in time. Should I extend?"
Avoid this if possible. The time constraint is a feature, not a bug. Instead:
Finish the session, do your debrief, then decide:
- Was the task bigger than you thought? (Break it down better)
- Did you get distracted? (Work on focus discipline)
- Did you need more time? (Use 90 minutes next time)
If you regularly extend sessions, you're training yourself that deadlines are flexible. That's the opposite of what we want.
"How do I pick the right duration?"
Start with 60 minutes - it's the Goldilocks zone. Too short and you can't get into flow. Too long and focus fades.
After 5-10 sessions, adjust based on:
- Your actual focus scores
- How often you finish/don't finish
- Your energy levels at the end
Let data guide you, not arbitrary preferences.
The Bottom Line
Solo Blocks are your ultimate flexibility tool. They meet you where you are, whenever you're ready, for however long you need.
But flexibility doesn't mean formless. The timer, the intention, the debrief - these create structure within your freedom. They turn "I should probably work on this" into "I'm working on this for the next 60 minutes, period."
And that simple shift - from vague intention to concrete commitment - is the difference between dreaming about productivity and actually being productive.
Ready to start? Pick a duration, set an intention, and hit that start button. Your next focus session is waiting for you.