17 Feb 2026 4 min read Adhoc Email

Phantom Roommate

He started sleeping with his back against the wall.

Not because of burglars, not because of nightmares.
Because somewhere around three in the morning, almost every night, he felt someone step into the room and stand right behind him. Not touching. Not speaking. Just there.

FIRST NIGHT

He was admitted for “spells.”

That was the word on the referral. Spells. Not seizures, not panic attacks, not psychosis. Spells.
He was in his thirties, healthy enough by hospital standards, and very tired of explaining the same thing to every new face.

“No, I don’t see anyone,” he told me. “I don’t hear anyone. I just know he’s there. Like when someone is standing behind you in line and you can feel their breath. Except there is no one in the room.”

He called it his roommate.

Not in a cute way. In the way people use nicknames for things they’re scared of, hoping the joke will make it smaller.

WHEN THE ROOM CHANGED

It started quietly.

A few weeks of weird moments at home where he’d be cooking and suddenly feel the air in the doorway thicken as if someone had walked in and stopped.
Sitting on the couch and needing to turn his head because he was sure there was a person in the corner of his vision, just outside of sight.

Then it escalated.

The presence began to show up almost on a schedule
late evening, early night, right as he slipped toward sleep. He stopped going to the bathroom without turning every light on. He kept checking under the bed, not because he believed in monsters, but because his body refused to believe the room was empty.

“I’m not afraid of the dark,” he told me. “I’m afraid of how real it feels when someone steps into it.”

THE STORIES PEOPLE TOLD

People around him reached for the stories they knew.

His coworker joked that he was “haunted.”
His mother asked if he’d been “dabbling in something he shouldn’t.”
A friend sent him a long message about “energies,” “visitors,” and sleeping with a glass of water by the bed.

Online, it gets worse.

Type “I feel someone in the room” into a search bar and you don’t land in neurology first. You land in horror threads, sleep paralysis demons, guardian spirits, glitch-in-the-matrix stories. Whole communities built around the idea that if you feel a presence, it must be something from the outside choosing you.

By the time he made it to us, he’d tried salt at the door, a charm on the nightstand, and sleeping with the light on.
The presence didn’t care about any of that.

“It’s not in the house,” he said. “It’s in me. But I don’t know how to prove that without sounding insane.”

UNDER THE HOSPITAL LIGHTS

The exam room was the least haunted place in his story.

Vitals fine. Neurological exam mostly unremarkable. No drugs. No alcohol. No history of psychosis. He was oriented, coherent, irritated. His fear was precise, not drifting.

The timeline was doing something strange.

The “phantom roommate” began appearing seconds to minutes before brief spells he hadn’t thought were important
waves of nausea, hot then cold, a punch of déjà vu, a sudden feeling that the room was tilting sideways. Short, under a minute, followed by exhaustion and a sense that he’d missed a piece of time.

We wired him for EEG. Sleep deprivation, flashing lights, all the tricks. Somewhere between boredom and annoyance, it happened.

He went still, eyes fixing on a point behind my shoulder.

“He’s here,” he whispered.

On the screen, the line broke. Temporal lobe, one side. Spikes where there shouldn’t be spikes. His “ghost” had an electrical footprint.

GIVING IT A NAME

There is a clinical name for what he was living with.

Presence hallucination. Felt presence. The raw, body-level conviction that someone else is right next to you when no one is there. No clear face. No clear voice. Just the sense of an “other” inside your perimeter.

It shows up in more places than most people realize.

In epilepsy, especially seizures starting in temporal and parietal regions.
In Parkinson’s disease, sometimes years before tremor and slowness.
In extreme isolation, sleep deprivation, grief, and psychosis, where the brain’s map of “self versus not self” starts to blur.

For him, the pattern was too clean to ignore.

First came the feeling that someone had stepped into the room. Then the déjà vu, the dread, the slip in awareness. On EEG, small temporal lobe storms lining up perfectly with his descriptions. Focal impaired awareness seizures with an experiential aura
his aura just happened to feel like another human being.

I told him that.

“So it’s not… something following me,” he said.
“It’s your brain misreading itself,” I answered. “For a few seconds, the system that tracks where ‘you’ end and ‘not you’ begins gets scrambled. The simplest explanation it comes up with is: there’s someone else here.”

He let that sit in the air between us.

“So my ghost is a glitch,” he finally said.

WHAT STAYED, WHAT LEFT

Treatment didn’t involve rituals.

We started antiseizure medication, adjusted the dose until his brain’s electrical storms calmed. Talked about sleep, stress, missed doses, all the mundane things that make neurons more likely to misfire. Gave him back a sense of control that didn’t depend on charms on the bedside table.

Nothing about the change was dramatic enough for a movie.

First, the visits got shorter.
Then they got less vivid, more like a shadow of the old feeling than a full presence.
Eventually, most nights were just nights
no second set of footsteps in the silence, no need to press his spine into the wall to feel safe.

Months later, in clinic, I asked if he still felt the roommate.

“Sometimes I get a little… shift,” he said. “Like the air thickens for half a second. But now I roll my eyes at it. I don’t think demon. I think temporal lobe being dramatic.”