Concussion recovery isn't rest — it's the graded exposure nobody explained to you

Twenty years ago, the advice after a concussion was simple and wrong: sit in a dark room, avoid screens, wait until symptoms resolve. We now have strong evidence that prolonged rest actively delays concussion recovery and can make symptoms persist into what’s called post-concussion syndrome.

The updated protocol — backed by the Consensus Statement on Concussion in Sport — is called graded exposure. It’s the framework every certified concussion clinician now works from, and it’s worth understanding if you or someone you coach is recovering from a head injury.

Stage 1: symptom-limited rest, not total rest

The first 24 to 48 hours you do rest — but not in a dark room. You limit activities that significantly worsen symptoms, sleep adequately, and avoid anything with re-injury risk (so no training, no driving if dizzy). Light cognitive work that doesn’t trigger a headache above a 2-out-of-10 is fine and actually helpful.

Stage 2: light aerobic activity

By day 2 to 4 in most cases, you start sub-symptom-threshold aerobic exercise — stationary bike or treadmill walk at a heart rate that doesn’t trigger a symptom spike of more than 2 points on a 10-point scale. 10 to 15 minutes is plenty.

This isn’t just safe, it’s therapeutic. Light aerobic work during early concussion recovery helps restore cerebral blood flow regulation, which is the underlying mechanism behind a lot of lingering symptoms.

Stage 3: sport-specific activity without contact

Running, change of direction, skill drills — but not scrimmage. This is where most people start to feel “back to normal” and where most people also get reinjured if they skip ahead.

Stage 4 and 5: progressive contact training, then return to play

Only after the previous stages have been clean for 24 hours each do you reintroduce contact or scrimmage. Medical clearance before competition is not a formality — second-impact syndrome, while rare, is catastrophic.

The vestibular and cervical side of things

A significant proportion of lingering concussion symptoms are driven not by the brain injury itself but by two related issues: vestibular dysfunction (your inner ear’s balance system gets jolted) and cervical injury (the whiplash the neck absorbed alongside the concussion).

These respond to targeted manual therapy and vestibular exercises. If someone is still dealing with dizziness, nausea on head movement, or balance issues at 3 weeks, it’s usually because no one has addressed the vestibular-cervical component — and they’ll keep stalling until someone does.

The window matters

Concussions treated with structured protocols within the first two weeks recover substantially faster than those left to “just rest it out” for a month first. If you’re past two weeks with ongoing symptoms, it’s not too late — but the protocol needs to be specific, and monitored closely.