Articles
Published guides across sleep, fitness, recovery, and longevity.
-
Fitness & Mobility
Blood Flow Restriction Training Devices
A detailed 2026 guide to BFR training devices — wireless auto-LOP cuffs, clinician-style pneumatic kits, and Amazon elastic bands — with safety context and ownership costs.
· Keersa Editorial Team
-
Fitness & Mobility
Wearable HRV and Training Readiness
A detailed 2026 guide to wearable HRV for training readiness — overnight rings and bands, watch readiness scores, and ECG chest-strap spot checks — with validation caveats and ownership costs.
· Keersa Editorial Team
-
Fitness & Mobility
Force Plates for Everyday Athletes
A detailed 2026 guide to force plates and practical jump-testing tools everyday athletes can buy — education force platforms, contact mats, and wearables — with clear limits versus pro dual-plate systems.
· Keersa Editorial Team
-
Longevity
The Longevity Protocol: What Actually Extends Healthspan
An authoritative 2026 overview of healthspan order of operations — sleep, Zone 2, strength, measurements, and when boutique biology is worth reading next.
· Keersa Editorial Team
-
Fitness & Mobility
The Performance Protocol: What Actually Improves Training
An authoritative 2026 overview of how to improve training — progressive stimulus, readiness signals, measurement tools, and specialty gear — plus a practical order of operations before you buy fitness tech.
· Keersa Editorial Team
-
Heat & Cold
The Thermal Protocol: What Actually Improves Heat and Cold Practice
An authoritative overview of heat and cold practice — safety first, heat class and cold timing next, then contrast, hardware, and wearables — plus a clear map to every Heat & Cold deep dive.
· Keersa Editorial Team
-
Sleep
Mattress Materials and Sleep Architecture
A detailed 2026 guide to mattress materials — memory foam, polymer grids, latex hybrids, innerspring hybrids, and toppers — separating comfort preference from physiologic sleep outcomes.
· Keersa Editorial Team
-
Sleep
Sound Environments for Sleep
A detailed 2026 guide to sleep sound environments — mechanical fans, digital non-looping machines, earplugs, sleepbuds, and closed-loop-style stimulation — with volume safety and who should buy what.
· Keersa Editorial Team
-
Sleep
Sleep Apnea Tech Beyond CPAP
A detailed 2026 guide to sleep apnea options beyond CPAP — custom dental MADs, OTC mouthpieces, Bongo Rx EPAP, positional trainers, Smart Nora, overnight SpO2 monitors, and Inspire — with who they fit and what they cannot replace.
· Keersa Editorial Team
-
Sleep
Mouth Taping and Nasal Breathing Devices
A detailed 2026 guide to mouth taping and nasal breathing devices — SomniFix, Hostage Tape, MyoTape, Breathe Right, Mute, Intake, and budget medical tapes — with safety rules, costs, and who should skip them.
· Keersa Editorial Team
-
Sleep
Circadian Lighting for the Home
A detailed 2026 guide to circadian-friendly home lighting — Philips Hue, LIFX, Nanoleaf, Govee, wake-up lights, HappyLights, and specialty bulbs — with lux timing, costs, and setup advice.
· Keersa Editorial Team
-
Sleep
Blue Light Blocking: Evidence vs Marketing
A detailed 2026 guide to blue-light blocking products — amber night glasses, clear computer lenses, screen filters, and Night Shift/f.lux — separating sleep evidence from marketing hype.
· Keersa Editorial Team
-
Sleep
Smart Beds and Temperature Regulation
A detailed 2026 comparison of smart beds and temperature systems — Eight Sleep, ChiliSleep, BedJet, Sleep Number, Tempur-Pedic, and more — with dual-zone guidance and ownership costs.
· Keersa Editorial Team
-
Sleep
Wearable Sleep Trackers Compared
A detailed 2026 comparison of the major wearable sleep trackers — including Oura, WHOOP, Apple Watch, Fitbit, Garmin, Samsung Galaxy Ring, and more — with deep device reviews, cost-of-ownership estimates, and an interactive feature table.
· Keersa Editorial Team