# Energy Management > When to activate: energy management, ultradian rhythms, peak performance, cognitive load, recovery, sustainable productivity, burnout prevention, chronotype - Skill: `mattakushi432/energy-management` (Agent Skill) - Install (CLI): `npx skillmds@latest add mattakushi432/energy-management` - Raw SKILL.md: https://api.skillmd.com/api/skills/mattakushi432/energy-management/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: Mattakushi432 (https://skillmd.com/u/mattakushi432) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/mattakushi432/energy-management --- # Energy Management ## Why Energy, Not Just Time Time is fixed at 24 hours. Energy is renewable and manageable. An hour of high-energy work produces more than three hours of depleted work. Optimize for energy quality, not hours logged. ## Ultradian Rhythms The brain operates in 90-120 minute cycles of high and low alertness throughout the day. ### Working with ultradian cycles - Plan focused blocks to match cycle peaks (roughly every 90-120 min) - Take 15-20 min breaks between cycles — don't push through the trough - Signs you're in a trough: difficulty concentrating, restlessness, yawning, loss of focus - Forcing through troughs reduces quality and extends recovery time ### Chronotype — know your type | Type | Peak cognitive window | Best deep work time | |------|----------------------|---------------------| | Lion (early riser) | 8am-12pm | Morning | | Bear (follows sun) | 10am-2pm | Mid-morning | | Wolf (night owl) | 5pm-9pm | Evening | | Dolphin (light sleeper) | Variable | Midday | Work with your chronotype, not against it. Schedule deep work during peak; admin during trough. ## Energy Audit Track for 2 weeks: record energy level (1-10) every 90 minutes. Also note: - What you were doing - What you ate / drank - Sleep hours previous night - Exercise that day Look for patterns: - What time of day is energy consistently highest? - Which activities drain energy the most? - Which activities restore energy? - How does sleep quality affect next-day energy? ## Cognitive Load Categories | Category | What it is | Energy cost | Examples | |----------|-----------|-------------|---------| | Deep cognitive | Original thinking, problem solving | Very high | Writing, coding, analysis | | Reactive cognitive | Responding, reviewing | Medium | Email, reviews, meetings | - Administrative | Routine, low-stakes decisions | Low | Scheduling, filing, copying | | Recovery | Rest, mindless movement | Negative (restores) | Walk, nap, stretching | **Rule**: Do deep cognitive work during peak energy. Never deep work during trough. ## Recovery Protocols ### Micro-recovery (every 90 min) - 15-20 minute break — non-screen preferred - Short walk (even 5 min) - Eyes closed / breathing - Hydrate - **Not**: checking social media or email (keeps nervous system activated) ### Daily recovery - Consistent sleep/wake time (±30 min even on weekends) - At least one period of genuine downtime (not phone scrolling) - Physical movement for at least 20-30 min - Social connection — even brief, even async ### Weekly recovery - One full day with no work-related activities - Activities that are truly restorative for you (differs per person) - Nature exposure has strong evidence for cognitive recovery ### Seasonal recovery - Full disconnects every 6-8 weeks (even 3-4 days) - Annual vacation with genuine work disconnection ## Physical Energy Foundations ### Sleep (highest-leverage intervention) - 7-9 hours for most adults — not negotiable for peak performance - Consistent schedule matters more than total hours - Dark, cool room (18-19°C / 65-67°F) - No screens 60 min before bed - Caffeine half-life is 5-6 hours — last coffee by 2pm for 10pm sleep ### Movement - 20-30 min moderate exercise 3-5x/week improves cognition same day - Walking specifically improves divergent thinking (creativity) - Even 5-min walks during work breaks restore focus - Sedentary stretches > 90 min degrade energy and cognition ### Nutrition basics for cognitive performance - Don't skip breakfast if you're a morning deep worker - Avoid high-glycemic meals before focus sessions (causes crash) - Hydration: even mild dehydration (1-2%) impairs cognition - Caffeine: strategic use — not first thing, not after 2pm ## Emotional Energy Emotional states consume cognitive resources. Address emotional drains, don't just push through them. ### Energy drains to identify - Unresolved conflicts or difficult conversations avoided - Commitments you resent (but haven't declined) - Environments that feel unsafe or stressful - Relationships that consistently deplete - Work that conflicts with your values ### Energy sources to protect - Work that feels meaningful and aligned - Relationships with high psychological safety - Physical environments you feel good in - Autonomy over your schedule and decisions - Progress — even small visible wins boost energy ## Sustainable Performance Framework ### Stress inoculation - Controlled challenge → recovery → adaptation - Avoid both chronic stress (no recovery) and chronic comfort (no challenge) - Deliberate practice at the edge of your ability + deliberate recovery ### Warning signs of unsustainable pace - [ ] Consistently sleeping < 6 hours - [ ] Skipping all forms of exercise - [ ] No genuine days off in > 2 weeks - [ ] Irritability or emotional flatness - [ ] Difficulty concentrating on tasks that used to be easy - [ ] Cynicism about work you previously cared about - [ ] Physical symptoms (headaches, getting sick repeatedly) ### Weekly energy self-assessment ``` Energy average this week (1-10): ___ Sleep average (hours): ___ Exercise sessions: ___ Full recovery days: ___ Biggest energy drain: ___ One thing to protect/add next week: ___ ``` ## High-Energy Triggers (personal) Identify your personal energy triggers by observation: | Category | Questions to ask | |----------|-----------------| | Physical | What time of day do I feel sharpest? What food/drink patterns precede good energy days? | | Environmental | In which spaces do I work best? Noise level? Light? | | Social | Which interactions leave me energized vs drained? | | Task-based | Which types of work make me lose track of time? | | Emotional | What emotional states precede my best work? | Build your environment and schedule around your answers — this is your personal operating system.