How to fake being sick, and why the act gets caught

The numbers on how to fake being sick all lead to one piece of advice, which is to say less. Below are the lines people use on the call, each rated by the odds it gets you caught, plus an honest line nobody can check.

I'm sick, and I'm switching my phone off to sleep.

You were fine at 5.

Risk Any Low Medium High

Risk

All 48 lines people use to fake being sick, by how risky they are

Low risk

I'm unwell today and won't be working.
Seven words and no symptoms. It's what the people who never get caught send.
I've got a stomach bug.
The second most used line, picked because nobody wants to ask a single question about it.
Sorry for the early message: I'm sick and won't be in.
17.6% time the message for early morning. An early text reads like a bad night.
I'm not up to working today. I'll check in tomorrow.
It says when they'll hear from you, the only question most managers have.
I'm taking a sick day.
No reason given, and for one day most offices don't ask for one.
I need to take today as a sick day for my mental health.
19% dress a mental health day up as a physical illness. Saying it straight is the version nobody can catch out.

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I'm sick and resting today. Back tomorrow if I'm better.
Short, with a plan, and the plan includes getting better.
I was up half the night ill, so I'm out sick today.
A bad night explains the early message and the voice.

Medium risk

I'm sick, and I'm switching my phone off to sleep.
It explains the unread messages, until one of them gets read at noon.
I felt a bit off yesterday, remember.
14.4% plant this the day before. It only works if somebody heard you say it.
I think I've caught what Sam had.
It works if Sam was out sick. Check that Sam was out sick.
I've had a temperature since last night.
Fine, until somebody asks how high, and you say a number.
It's a migraine, so I'll be staying off screens.
Fine, unless your status turns green at 2 pm.
I'll try to log on later if I feel better.
Now they'll watch for you to log on. Never offer this.

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I think something I ate last night has made me ill.
They'll ask where you ate. Pick somewhere nobody in the office goes.
I'm texting because I've lost my voice.
Clever, until someone calls back to check, and you answer.
I've got the bug that's been going around.
Only holds up if a bug is going around. Check the office first.
I'm sick, and I think it might be contagious.
Contagious keeps people away, and it also makes them ask what it is.
My doctor told me to stay home.
They may ask for a note later. Don't say doctor if there wasn't one.
I've got a bad back and I can't drive.
Holds up until someone sees you carrying the groceries.
I'm not well. I'll update you at noon.
Noon commits you to sounding sick at noon too.
I've had a terrible night and I'm going back to bed.
True of most bad mornings, which is why it holds up.
I'd rather not give details, but I'm unwell.
Fine, and some managers respect it. Others get curious.

High risk

I'm sick. (cough) Really sick. (cough)
One in ten fakes a cough or a croaky voice on the call. The cough always comes a beat late.
I've got a fever, chills, a sore throat and a rash.
9.9% recite their symptoms. A list that long sounds rehearsed, because it was.
Hi, it's me. I'm sick. Sorry. Sick. Yes, very sick.
14.8% rehearse the call. It shows when you say sick four times.
I'm sick, and it's also my birthday, unrelated.
Birthdays are on the team calendar. Somebody will notice.
I'm at the doctor's now, so I can't talk long.
Background noise gives it away. Waiting rooms don't have a crowd chanting.
I'm too sick to come in, but I'll still make the client lunch.
A sickness that skips lunch fools nobody.

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I think the team lunch gave me food poisoning.
They'll check who else ate it, and everyone else is fine.
I'm sick. Don't call, I'm sleeping.
Then you reply to an email at 11.
I'm sick, same as last Monday.
A run of Mondays is the pattern HR looks for first.
I'm sick the day after the Super Bowl, believe it or not.
Millions of US workers miss that Monday, and managers know the date as well as you do.
I'm sick on the Friday before my vacation.
The calendar does the accusing for them.
I'm sick. Please ignore my status, it's wrong.
Teams shows you active when the app is open on your phone. Close the app.
I've got a stomach bug, but I'm still coming to pickup soccer tonight.
The group chat is public, and somebody in it works with you.
I caught a cold in the hot tub on the weekend.
Nobody asked about a hot tub, and now they know about the hot tub.
I'll be in bed all day.
One photo from the beach at 11 cancels any line. Post nothing.
I've got a doctor's note, it's in the mail.
Notes don't come in the mail. This page stops before the note, and so should you.
I've lost my voice, so I'll explain on the call later.
Lost voices and calls later don't go together.
I've got a rare condition the doctor hadn't heard of.
Rare conditions get looked up. Common ones don't.
My cat is sick, so I'm sick too.
Pet days exist. Ask for a pet day.
I'm sick, and it's nothing to do with the deadline today.
Nobody mentioned the deadline until you did.
I'm sick. Sorry. I never get sick.
People who never get sick don't say so. Lose the second half.
I'm fine. I mean, I'm not fine. I'm sick.
Saying fine first is a tell. Start with the sick part.
I think it's the flu, the full flu, with the aches and the sweats and the chills.
Five details for one day off. The detail is what they doubt.
I'm sick, and my manager on the other team already said it's fine.
Now two managers will talk, about you.
It's a 24-hour bug, so it'll be gone before you can check.
Promising when it ends is the part that gives it away.

How people fake being sick

The act, in stages

People who fake a sick day pick from the same few moves. The biggest group, 42%, skips the act and sends a plain message. That’s also the version that works.

A few start the day before, telling someone they feel a bit off.
More send the message first thing in the morning, as you would after a real bad night.
One in ten puts on a fake cough or a tired voice for the call.
Fewer than one in ten list their symptoms.

Why people fake it

Burnout is the top reason Americans call in sick, at 40.1%. That makes a lot of fake sick days less fake than they look.

People who	Share
Australians off sick last year without being ill, most often for a day off	39%
Americans who played up physical symptoms to take a mental health day	42%
Gen Z who did the same	Two in three
Americans who were honest about it and got a good response	One in ten

Why the act gets caught

True stories sound fake, and fake ones sound rehearsed

A true excuse can sound made up. The fake one sounds rehearsed, with three symptoms, a timeline and a cough on cue. Managers rarely catch anyone on the call itself, though. They catch what comes after it.

What gives people away

Five things give a fake sick day away once the call is over.

Teams shows you as active while the app is open on your phone, even with Out of Office on. On a sick day, keeping Teams active is the last thing you want.
One beach photo posted at 11 am is enough.
Sick days that keep landing on Mondays, Fridays or the morning after the big game make a pattern.
Your story changes the second time you tell it.
Some managers ask a coworker about you.

The honest version

Say less, and say something true

“I’m not well enough to work today” covers flu, a bad back and a week that broke you. Nobody can check it. If the afternoon is all you need, try our excuses to leave work early. That way you lose a few hours of leave instead of a whole day.

Forged notes

A forged doctor’s note turns a day off into a disciplinary matter. When the day off has nothing to do with your health, our excuses to get out of work give you other reasons to be away.

Questions about faking a sick day

How do you fake being sick convincingly?

Send one short line early in the morning with no symptoms in it, then stay off social media for the day. The acting is what people notice, so don't perform it.

What is the best fake sick excuse?

A stomach bug. It's the second most used sick-day line after "not feeling well", and nobody asks a follow-up about one.

Can my boss tell if I'm faking sick?

Not from one short message. They notice what comes after it: a green status at noon, a beach photo, a story that changes, or sick days that always land on a Monday.

How do I fake being sick over text?

Keep it to one sentence and send it before your shift starts. Include that you're sick and off today, and when they'll hear from you next. A text with symptoms in it reads like a script.

Is it OK to take a sick day for my mental health?

In plenty of workplaces a mental health day counts as a sick day, so there's nothing to fake. "I'm unwell" is true, and no manager can check it.

How do you fake being sick for school?

It works the same way as at work. The less you act, the better it goes, and whoever reads the note has heard every line before.

Sources

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