Max is in a coma because of Vecna’s attack in Stranger Things Season 4, which leaves her body alive but her mind essentially “missing” after he breaks her bones and blinds her during the Creel House showdown.

Quick Scoop

  • In the Season 4 finale, Vecna targets Max as his final victim, lifting her into the air, snapping her arms and legs, and clouding her vision just before killing her.
  • Eleven intervenes using her powers, reviving Max’s body after her heart briefly stops, but the damage to her mind is so severe that she doesn’t wake up afterward.
  • By the time the story moves forward, characters and in‑universe reports describe Max as being in a coma for around 18 months to nearly two years, lying unconscious in the hospital.

How the show explains it

  • Later material clarifies that what everyone calls a “coma” is closer to a Vecna‑induced trance: her physical body is stable, but her consciousness is trapped or absent in Vecna’s mental realm.
  • This lets the show keep Max’s fate emotionally uncertain for a long time, since her friends can visit her body in the hospital while still not knowing where her mind actually is.

Latest story status (spoilers)

  • Follow‑up coverage of Season 5 says Max eventually wakes up after about 18 months to two years, though she remains very weak and suffers from muscle atrophy from being bedridden so long.
  • Even after waking, articles note she is still linked to Vecna’s influence and remains a target rather than fully “free,” which keeps her storyline central in the later episodes.

Bottom note: Information gathered from public forums or data available on the internet and portrayed here.