A basketball dropping through the hoop under arena lights
What we measure · CO₂

Stale air blunts the decisions that win tight games.

A sealed bedroom fills with CO₂ overnight. It drags down sleep quality and next-morning reaction time, at the same hours slept. TOP catches it before your athletes ever climb into bed.

Thirty minutes, your schedule. No sales script.

  • Sharper focus
  • Faster reactions
  • Restorative sleep

Overnight ceiling

Under 800 ppm

TOP tracks CO₂ in every bedroom they sleep in, around the clock, and flags anything outside this band before lights-out.

What CO₂ does to a sleeping athlete.

Carbon dioxide is a gas released with every exhaled breath that accumulates in enclosed, poorly ventilated rooms, displacing fresh air and lowering indoor air quality. The most pronounced effects are on the brain and on sleep. Exposure can result in headaches, drowsiness, impaired concentration and slower reaction time, and lighter, less restorative sleep.

High overnight CO₂ drags down sleep quality and next-morning concentration and decision speed, at the same hours slept. Reaction time and choices under pressure are exactly what decides tight games.

The research

Not our opinion. The literature.

1,300 ppm

Sleeping at 1,300 ppm cut deep sleep and sleep efficiency and raised waking cortisol against 750 ppm. Sleep efficiency already slipped at 1,000 ppm.

Kang 2024, Building and Environment

2,400 → 900 ppm

Lowering bedroom CO₂ improved measured sleep quality and next-morning concentration, with zero change in hours slept.

Strøm-Tejsen 2016, Indoor Air

All 9 domains

Cognitive scores fell across every tested domain as CO₂ rose, independent of ventilation.

Allen 2016, the COGfx study

420 → 2,000 ppm

Outdoor air is around 420 ppm. A closed bedroom can pass 2,000 by morning.

Strøm-Tejsen 2016

There is no useful lower limit for CO₂. The floor is outdoor air, roughly 420 ppm, so a well-ventilated room reads low and that is good.

You control training, load and nutrition. Control the room too.

Put a TOP device in every one of your athletes’ bedrooms at home. It runs on its own cellular connection, needs no app or wifi, and streams CO₂ and five other room conditions to one dashboard, so you fix the room before anyone sleeps in it.

Plug in and go

Connect it to power and it’s working. No app, no pairing, no setup.

No wifi needed

It brings its own cellular connection, so the player's wifi never gets in the way.

Ready in minutes

Hand one to each player. It is live the night they plug it in.

Better sleep, better recovery, fewer injuries.

Thirty minutes, your schedule. We’ll show you the dashboard live and scope a pilot for the rooms your team sleeps in next.

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