13.09.2026
The Boom-Bust Cycle: Why Good Days Can Be Pacing's Biggest Trap
Why good days often trigger a crash in ME/CFS and long Covid – and how to break the boom-bust cycle through pacing.
Blog: Pacing, PEM, ME/CFS, Long COVID & POTS
Background articles on pacing with Long COVID, ME/CFS and POTS. Every article names its sources.
11.09.2026
Not Just Exercise: How Physical, Mental and Emotional Triggers Set Off a PEM Crash
PEM isn't only caused by exercise. Which triggers often go unnoticed, and how the reaction differs from ordinary fatigue.
10.09.2026
Long COVID and ME/CFS: What Recent Research Has Actually Found
Long COVID and ME/CFS research 2024/25: new findings on causes, biomarkers and studies – explained clearly, without false promises.
06.09.2026
The NASA Lean Test for Self-Monitoring: Procedure, What It Can Show, and Its Limits
The NASA Lean Test helps with self-monitoring orthostatic intolerance. Procedure, possible meaning of results – and why it can't replace a diagnosis.
06.09.2026
Travelling with ME/CFS or Long COVID: Realistic Preparation and Pacing Your Energy on the Road
Travelling with ME/CFS, Long COVID or POTS: realistic preparation, pacing your energy on the road – and when skipping the trip is the better choice.
04.09.2026
Spoons, Batteries, Energy Budgets: Which Metaphors Really Explain Pacing – and Where They Fall Short
Spoons, batteries, energy budgets: which metaphors explain pacing in ME/CFS, Long Covid and POTS – and where they reach their limits.
03.09.2026
How ME/CFS Is Diagnosed Today – and Why It Often Takes So Long to Get There
No blood test, no shortcut: how doctors diagnose ME/CFS today, which criteria apply, and why diagnosis often takes years.
03.09.2026
HRV as an Early Warning Sign of Overexertion: What a Drop Really Means – and What It Doesn't
A low HRV reading isn't proof of overexertion. We explain what really influences HRV – and why you shouldn't over-interpret a single number.
24.08.2026
POTS: Heat, Meals and Cycle in Everyday Life
Heat, large meals, your cycle or prolonged standing can all worsen POTS symptoms. What's behind this – and what it means for everyday life.
21.08.2026
We built a better prediction model. You won’t get to see it — and that is exactly the news.
A new candidate for crash prediction runs in shadow mode: invisible to everyone, tested against reality — with frozen predictions and hard quality checks.
20.08.2026
When Caregiving Becomes a Constant Strain: Recognising Your Own Limits as an ME/CFS Family Carer
Family carers of people with ME/CFS often silently bear an enormous burden. How to recognise your own limits, find support, and communicate more clearly.
19.08.2026
Wearables and Privacy: What Really Happens to Your Health Data When Pacing
Wearables offer useful signals for pacing – but how accurate are they really, and who sees your health data? A sober look at tech and privacy.
17.08.2026
"Why Can't You Just Rest More?" – Explaining Pacing to Family and Friends
How do you explain pacing in ME/CFS and long Covid so people understand? Comparisons, research on social support, and common misconceptions.
16.08.2026
POTS or "Just Anxiety"? Why Diagnosis So Often Takes Years
Racing heart on standing is often dismissed as anxiety. Why POTS diagnoses often take years – and what to know if you suspect it.
14.08.2026
Pacing Is Not a Training Program: Why Confusing It With "Graded Exercise Therapy" Can Be Dangerous
Pacing is often mistaken for gentle graded training. Why that mix-up can be harmful and what pacing for ME/CFS actually means.
14.08.2026
Recognizing PEM: Why the Crash Often Hits Days Later
PEM is more than tiredness. Learn to recognize the typical delay, key warning signs, and how it differs from ordinary fatigue.
09.08.2026
Pacing with Long COVID & ME/CFS: How Heart-Rate-Based Pacing Can Help Avoid Crashes
Why “listen to your body” often comes too late with PEM — and how heart rate helps you stay below your own threshold.
08.08.2026
Putting Wearables in Perspective for Pacing: How Accurate Are Resting Heart Rate, HRV and Sleep Data – and Who Sees Your Data?
Tracking resting heart rate, HRV and sleep with wearables: what studies show about accuracy, the limits of consumer devices, and key privacy considerations.
06.08.2026
Heart Rate and HRV in Pacing: What Wearables Reveal About Your Exertion Limit
What resting heart rate, HRV and activity data from a wearable say about your personal exertion limit — and the pitfalls involved.
04.08.2026
Light Sensitivity After Long COVID: What the Pupil Reveals About the Nervous System
A new study shows that in persistent post-COVID eye symptoms, the pupil responds measurably differently — and this is linked to light sensitivity and headaches.
03.08.2026
Heart Rate–Based Pacing: How Wearables Help Catch Crashes Early
How heart rate and HRV support pacing to find your exertion limit and help prevent post-exertional malaise (PEM) in Long COVID and ME/CFS.
31.07.2026
PEM Crash: What Helps Right Now — Acute First Aid for Post-Exertional Malaise
When a crash is starting or already here, every minute counts. Concrete, source-based first steps for Long COVID, ME/CFS and POTS.
30.07.2026
Heart Rate Variability (HRV): What Your Heartbeat Reveals About Exertion and Recovery
How heart rate variability (HRV) reveals the autonomic nervous system and can support pacing in Long COVID and ME/CFS – an evidence-based overview.
29.07.2026
mypacing vs. Visible vs. blue-ME: Comparing Pacing Apps
Multiple apps, one goal: better pacing for Long COVID, ME/CFS and POTS. A fair, transparent comparison of features, pricing and privacy.
29.07.2026
The FUNCAP Questionnaire Explained: Measuring Severity in ME/CFS and Long COVID
What FUNCAP measures, how the scoring works, and how the questionnaire is used in everyday life with ME/CFS and Long COVID.
29.07.2026
Understanding Pacing Correctly: 3 Basic Rules – and the Mistakes Beginners Make Most Often
Pacing is more than "just rest more." The 3 basic rules, common beginner mistakes, and why pacing for ME/CFS and Long Covid is often misunderstood.
29.07.2026
POTS Explained: Symptoms, Daily Life Impact, and What Happens During a Stand Test
What is POTS really? Symptoms, daily-life impact and how stand tests work, explained clearly and without exaggeration.
27.07.2026
Heart Rate Variability (HRV) as an Early Warning Signal for Crashes
How heart rate variability (HRV) reveals autonomic strain and can support pacing to spot post-exertional malaise and crashes earlier.
26.07.2026
Key Terms Around Long COVID, ME/CFS and POTS Explained Simply
PEM, pacing, POTS, dysautonomia, MCAS, crash and baseline explained simply – a glossary for Long COVID and ME/CFS based on established sources.
26.07.2026
Wearables for Long COVID, ME/CFS and POTS: What the Data Really Shows
Resting heart rate, steps, HRV: what consumer wearables can and cannot tell you about Long COVID, ME/CFS and POTS.
26.07.2026
Sleep and the Autonomic Nervous System in Long COVID and ME/CFS: Why Rest Often Doesn't Come
Why sleep is often non-restorative in Long COVID and ME/CFS, and which everyday habits may support autonomic regulation – explained with current evidence.
26.07.2026
Understanding Heart Rate Variability (HRV): What It Reveals About Recovery and the Nervous System in Long COVID, ME/CFS, and POTS
HRV reflects how the autonomic nervous system responds to strain. A factual overview for Long COVID, ME/CFS, and POTS – no medical claims.
26.07.2026
Pacing Basics: What Pacing Is and Why It Helps with PEM
A clear explanation of pacing: how the strategy may help with post-exertional malaise (PEM) and how to get started.