Sabir Shaykhlislamov
Editor
Sabir Shaykhlislamov builds hrv.expert and edits its content. He is the founder of CardioMood.
Edited by Sabir Shaykhlislamov
- Alcohol and HRV: what drinking does overnight
- Caffeine and HRV: does coffee lower it?
- How to measure HRV: sensors, timing, accuracy
- How to increase HRV: what the evidence supports
- HRV and longevity: what mortality studies show
- HRV on Oura, Whoop, Garmin and Apple Watch
- HRV in Soviet space medicine: a short history
- HRV when you're sick: infection and fever
- HRV and the menstrual cycle, phase by phase
- Normal HRV by age: ranges and how to read them
- HRV during pregnancy and after birth
- HRV and sleep: what your night number shows
- HRV and stress: what it can and can't show
- HRV and training: using it to guide workouts
- What affects HRV? Sleep, alcohol, stress, more
- What is HRV? Heart rate variability explained
- Can a phone camera measure HRV?
- Can breathing exercises raise your HRV?
- Can HRV detect heart problems?
- Can HRV detect overtraining?
- Can HRV warn you that you're getting sick?
- Can HRV track long COVID or POTS?
- Do medications affect HRV?
- Do saunas or cold plunges raise HRV?
- Does anxiety lower HRV?
- Does depression lower HRV?
- Does diabetes affect HRV?
- Does meditation raise HRV?
- How can I increase my HRV?
- HRV vs resting heart rate: which matters more?
- Is wrist HRV as accurate as a chest strap?
- Is overnight or morning HRV more useful?
- Should I train when my HRV is low?
- What does a low HRV mean?
- What does unbalanced HRV status mean?
- What is a good HRV?
- What is the Baevsky stress index?
- Why do Oura and Whoop show different HRV?
- Why does my HRV change so much day to day?
- Why is Apple Watch HRV different from others?
- Why is my HRV good but I feel tired?
- Why is my HRV low after a hard workout?
- Why is my HRV low after drinking?
- Why is my HRV suddenly higher than usual?
- What your heartbeat is really doing
- What HRV is, in one picture
- The nervous system behind HRV
- Why higher HRV is not always better
- How HRV is measured: from beats to a number
- RMSSD, SDNN and lnRMSSD explained
- Comparing your HRV to norms: age, sex, fitness
- Why your devices disagree on HRV
- How to take a good HRV reading
- Building your HRV baseline and reading trends
- What moves HRV: the factors that matter most
- HRV for training and recovery
- HRV, stress and breathing
- HRV limits, myths and red flags
- HRV course final quiz and recap