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Upgrade your baseline.
The best-reviewed sleep trackers, red light panels, cold plunges and recovery tools, with the research behind them in plain English.
97real products
11brands with affiliate programmes
36live offers
19 Octprices checked
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See all →Today
Moving at the brands today: launches, restocks and price changes.
This week
The newest launches from the brands we follow.
This month
The biggest price drops on the shelf this month.
The edit
All 97 →
Offers
All 36 offers →Real markdowns at the brands, as listed today.
What the research says
All studies →Behavioral Sleep Medicine · 2017
The Sleep of the Ring: Comparison of the ŌURA Sleep Tracker Against Polysomnography
In 41 healthy adolescents and young adults, the ring agreed well with lab polysomnography on total sleep time and wake after sleep onset, but was less accurate at telling individual sleep stages apart. Useful for trends, not a diagnosis.
Read the study ↗Science & Sports · 2026
Can photobiomodulation therapy attenuate delayed-onset muscle soreness and strength loss after exercise? A meta-analysis of RCTs
Pooling randomised trials in healthy people and athletes, red and near-infrared light was associated with less soreness and faster strength recovery in the days after hard exercise. Protocols varied widely.
Read the study ↗Journal of Strength & Conditioning Research · 2026
Efficacy of a meta-analysis–recommended immersion protocol vs. a field-practical cold-water protocol for performance recovery
A randomised crossover trial comparing two cold-water immersion protocols found both helped short-term recovery markers, with timing and temperature mattering more than doing it for longer.
Read the study ↗Guides
All guides →01
Start with sleep, not gadgets
The cheapest upgrades come first: light, timing and temperature.
02Smart ring or watch?
Which tracker suits sleep tracking best.
03Red light therapy: how to choose a device
Panels, masks and handhelds compared.
04Cold plunge at home: barrel, tub or chiller?
Space, budget and upkeep compared.
05The recovery toolkit
Massage guns, compression and heat, explained.
06Supplements worth knowing about
Fewer, better and third-party tested.
News
All news →Smart ring maker Ultrahuman to roll out a biological-age model across the UAE
Ultrahuman is building a wearable-agnostic biological-age model, starting in the UAE.
TechCrunch ↗Hiyd is a health tracker that attaches to the watch you already wear
A clip-on sensor that adds heart rate, HRV, sleep and VO2 estimates to an ordinary watch.
TechCrunch ↗Oura expands Health Radar in South Korea to track blood pressure and sleep
Oura’s nighttime blood-pressure trends and sleep-breathing insights reach more markets.
Chosun Biz ↗Bizzoo Instant · Waitlist open
Your Recovery Stack, Instantly
Tell us your goal, budget and space, and Bizzoo Instant builds your personal biohacking setup in under a minute: the exact devices, the order to buy them, and a simple weekly routine.
- Pick your goal: deeper sleep, faster recovery, more energy or all three.
- Set your budget and space (apartment, garage, backyard).
- Get your stack: products ranked for you, real prices, and a 4-week routine by email.
Free while in early access. Launching soon. Join the waitlist to get it first.
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One email a week: new research in plain English, the best deals, and what is trending in sleep and recovery tech.
Library
The Sleep Stack
A 30-day plan to better sleep: light, timing, temperature and the few tools that help. Coming soon.
Ebooks & merchDirectory
11 brands, vetted
Every brand on the site runs an affiliate programme, and we list the network and published rate.
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