Yes, and this connection is more significant than most people realize. Sleep is when the brain does its most important repair work — clearing inflammatory byproducts, consolidating memory, and restoring neural function. After a concussion, that process gets disrupted on multiple levels.

Common post-concussion sleep problems include:

• Difficulty falling or staying asleep, even when exhausted
• Sleeping far more than usual (hypersomnia)
• Waking up unrefreshed, regardless of how long you slept
• Changes in sleep architecture, including disrupted REM cycles

When sleep is compromised, the brain cannot heal efficiently. Symptoms like headaches, brain fog, mood shifts, and cognitive fatigue tend to worsen — and recovery timelines often extend. This is why sleep is treated as an active part of concussion recovery, not a side concern.

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