Topic
Wearables & Trackers
Sleep rings, continuous glucose monitors, HRV devices, and biometric wearables used by top biohackers.
Guides
Wearables & TrackersHRV & Recovery Tracking: The Complete Guide
Heart rate variability (HRV) is the most actionable biometric for biohackers, it tells you when to push hard and when to rest. This guide explains what HRV means, how Oura and WHOOP use it, lifestyle factors that destroy recovery, and how to actually use the data.
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Wearables & TrackersZone 2 Cardio: The Complete Guide
Zone 2 training, aerobic exercise at a conversational pace, is the most recommended longevity intervention by Peter Attia, Rhonda Patrick, and the longevity community. It builds mitochondrial density, improves metabolic health, and takes 3–4 hours per week. This guide covers heart rate zones, protocols, and tracking.
Read guideWearables & TrackersOura vs WHOOP: Which Wearable Should You Buy?
Oura and WHOOP are the two wearables biohackers debate most. Oura excels at passive sleep staging and HRV detail in an unobtrusive ring. WHOOP excels at training load management with its strain/recovery loop. This guide compares accuracy, pricing, use cases, and who should buy which.
Read guideReferenced Equipment
Equipment from our guides, with specs and trusted purchase links.
Oura
Oura Ring Gen 4
The gold standard in sleep and recovery tracking
WHOOP
WHOOP 4.0
Strain, recovery, and sleep coaching on your wrist
Muse
Muse S Headband
EEG meditation feedback, train your brain to calm down
HeartMath
HeartMath Inner Balance
HRV biofeedback sensor, train your nervous system in real time
Polar
Polar H10 Heart Rate Monitor
Clinical-grade chest strap for HRV, zone 2, and recovery tracking
Apollo Neuroscience
Apollo Neuro
Wearable touch therapy for stress, sleep, and HRV recovery
Garmin
Garmin Fenix 8
Multi-sport GPS watch with advanced recovery metrics on Amazon