Cold Plunge Studios: Hype, Hazards and Who Should Skip Them
Cold plunge risks include cold shock and cardiac strain. Studio recovery claims are often modest; sleep and training load still do more work.
Section
Sleep & Recovery
The other half of training, taken seriously
Sleep quality, deload weeks, soreness, mobility, and recovery products assessed against the evidence rather than the marketing. Includes sourced reviews of sleep apps and gadgets.
Format
All
Practical guide 20
Data-backed list 5
How-to / routine 4
Science explainer 13
Comparison 4
Foam Rolling Evidence: What It Helps and What It Does Not
Foam rolling evidence supports short-term flexibility and soreness relief for some people, not miracle recovery. Pair gentle rolling with sleep, load...
Does Cooling the Bed Improve Sleep? What the Evidence Says
A source-reviewed look at bed cooling sleep evidence: public-health room advice, a 2025 personal-comfort review, a 2026 UK hot-bedroom study, and comp...
Recovery Scores vs How You Feel: When Data Helps and When It Does Not
A source-reviewed guide to recovery score interpretation: what wearable composites actually mix, what HRV papers measured, and when to trust how you f...
Sleep Debt: What It Is and What Weekend Lie-Ins Cannot Fully Repay
Sleep debt is the running gap between the sleep you need and the sleep you get. Weekend lie-ins ease the fog. They do not fully repay it.
Magnesium for Sleep: Evidence, Food First and Who Should Be Careful
Magnesium for sleep is a popular bedtime fix. Trials are modest. Food first, then a careful pill if a clinician agrees you need one.
Sleep Restriction Therapy Overview: A Clinical Tool, Not a DIY Crash Diet for Sleep
Sleep restriction therapy is a clinic tool inside talking treatment for poor sleep. It matches time in bed to the sleep you already get. It is not a w...
Sleep and Immune Function: Modest Claims, Useful Habits
Sleep and immune function are linked in lab and public-health pages, but rest is not a shield you can buy. Protect 7 hours, keep vaccines, and skip mi...
Sleep and Blood Pressure: Why the Night Matters for the Numbers
Sleep and blood pressure move together. On a normal night, pressure falls. Short nights, insomnia and sleep apnoea are linked with higher readings. Re...
Snoring Apps Are Not Sleep-Apnoea Tests: What They Can and Cannot Show
Snoring app sleep apnea limits are real. A phone can log sound. It cannot replace a clinic sleep study or give you an AHI diagnosis.
Compression Boots: What Is Proven, What Is Plausible and What Is Marketing?
A source-reviewed look at compression boots evidence: what sports IPC reviews measured for soreness and performance, and what hospital guidance actual...
Massage Guns: What the Evidence Says About Soreness, ROM and Recovery
A source-reviewed look at massage gun evidence: what systematic reviews measured for soreness and range of motion, and what remains unproven.