The most important thing you can do to help a concussion heal is to protect the brain from a second injury while gradually returning to normal activity. The old advice of lying in a dark room for days has been replaced: current guidelines recommend brief rest in the first day or two, followed by a slow return to light activity as tolerated. Most concussions resolve within a few weeks, but how you manage the first days and weeks matters.
Know the Red Flags First
Before focusing on recovery, you need to know when a concussion is something more serious. Repeated vomiting, a seizure, one pupil larger than the other, worsening confusion, slurred speech, or increasing drowsiness all suggest a possible brain bleed or more severe injury. These symptoms call for an emergency room visit and a CT scan, not home care. If the person becomes difficult to wake up at any point, get medical help immediately.
The First 48 Hours
Rest is important in the first day or two, but “rest” doesn’t mean total shutdown. Let the person sleep if they need to, and limit screen time and mentally demanding tasks during this window. But don’t isolate them in a dark room all day or keep them in bed. Social contact and gentle movement are fine and even helpful.
For headache pain, stick with acetaminophen (Tylenol) during the first 48 hours. Avoid ibuprofen (Advil, Motrin) during this period because it acts as a mild blood thinner and could worsen any small bleed in the brain. After 48 hours, either acetaminophen or ibuprofen is generally considered safe.
Light physical activity like short walks can start early, even if mild symptoms are still present. If symptoms get noticeably worse during the activity, scale back temporarily, but don’t avoid all movement.
Managing Screen Time and Light
Limit screens for the first one to two days. After that, you can gradually reintroduce phone and computer use, but pay attention to how it feels. If scrolling or bright screens trigger headaches or make symptoms worse, take breaks. There’s no strict minute-by-minute rule for screen time after the initial couple of days. The guiding principle is to increase use gradually and back off when symptoms flare.
If light sensitivity is an issue, sunglasses indoors or dimming screens can help. Sitting away from windows or drawing blinds may also reduce discomfort. These adjustments are about managing symptoms, not about avoiding light entirely.
Sleep During Recovery
Sleep is one of the brain’s primary repair tools after a concussion. In the first few days, don’t limit naps. If the person is tired, let them sleep. The old practice of waking someone every few hours through the night isn’t necessary once a serious brain injury has been ruled out by a medical provider. The concern is only if they become unusually difficult to wake.
After the first few days, shift toward a more structured sleep routine. Try to limit napping to one per day, ideally before 3:00 PM and no longer than 30 minutes. Longer or later naps can disrupt nighttime sleep, which slows recovery. Sleeping in a bed rather than on the couch helps reinforce a normal sleep cycle. Good sleep hygiene, like keeping a consistent bedtime and a cool, dark room at night, supports healing throughout recovery.
Returning to School or Work
Going back to school or work too quickly without accommodations can make symptoms worse and drag out recovery. A gradual return with adjustments makes a significant difference. Useful accommodations include:
- Reduced workload: Focus on key assignments only, with grades based on adjusted expectations
- Extra time: More time for tests, assignments, and transitions between classes or meetings
- Sensory adjustments: Sunglasses indoors, seating away from bright lights, access to a quiet space during lunch or breaks
- Rest breaks: Permission to step away when headaches or fatigue set in
- Note-taking support: Written instructions, class notes provided, or permission to record lectures with a phone
- Test limits: No more than one test per day, with study guides provided
- Emotional support: A designated adult to talk to when feeling overwhelmed
These accommodations aren’t special treatment. They’re temporary adjustments that let the brain heal while keeping the person engaged and connected. Isolation and falling behind academically or professionally often cause more stress, which itself slows recovery.
Nutrition and Hydration
Staying well-hydrated and eating regular meals supports recovery, but there’s also emerging interest in specific nutrients. Omega-3 fatty acids, particularly DHA, play important structural and functional roles in the brain. Animal studies show that DHA consumed before or after a mild brain injury improves outcomes like learning and memory. DHA appears to influence multiple parts of the damaging chain reaction that occurs in brain cells after an injury.
Fatty fish like salmon, mackerel, and sardines are rich sources. Fish oil supplements are another option, though no specific dosage has been established for concussion recovery. Eating a nutrient-rich diet with plenty of protein, fruits, vegetables, and healthy fats gives the brain the building blocks it needs to repair itself.
The 6-Step Return to Sport
Athletes should not return to full competition until they’ve completed a graduated progression. Each step takes a minimum of 24 hours, and moving forward requires clearance from a healthcare provider at the start.
- Step 1: Return to regular daily activities like school, with medical clearance to begin the progression
- Step 2: Light aerobic activity only, such as 5 to 10 minutes on a stationary bike, walking, or light jogging. No weight lifting
- Step 3: Moderate activity that increases heart rate with body and head movement, like moderate jogging, brief running, and lighter-than-usual weightlifting
- Step 4: Heavy non-contact activity, including sprinting, regular weightlifting, and sport-specific drills in all directions of movement
- Step 5: Full practice with contact, in a controlled setting
- Step 6: Return to competition
If symptoms return at any stage, drop back to the previous step and wait before trying again. Pushing through symptoms doesn’t speed up recovery. It risks prolonging it or, worse, sustaining a second concussion before the first has healed.
When Recovery Takes Longer Than Expected
Most concussions resolve within a few weeks, but symptoms that persist beyond three months are classified as persistent post-concussive symptoms (sometimes called post-concussion syndrome). These symptoms typically first appear within 7 to 10 days of the injury. Common lingering problems include headaches, difficulty concentrating, fatigue, dizziness, and mood changes.
For people whose symptoms last beyond three weeks, structured aerobic exercise can be a useful therapeutic tool. The Buffalo Concussion Treadmill Test is a clinical protocol that identifies a person’s exercise tolerance, specifically the heart rate at which symptoms start to worsen. Patients are then prescribed daily exercise at 80% of that heart rate threshold for 20 minutes. This controlled exertion helps recalibrate the brain’s autonomic function and promotes recovery. If symptoms return during the progression, the person drops back to the previous comfortable level.
Persistent symptoms don’t mean permanent damage. They do mean the recovery process needs more targeted support, often involving a combination of supervised exercise, vestibular therapy for dizziness or balance problems, and cognitive rehabilitation for attention and memory difficulties.