Work & Stress August 9, 2026 5 min read

Managing gut nerves before a job interview

Filipino man in his 20s in a restroom mirror

Your stomach picks up on a big interview before your brain finishes reading the calendar invite. That tight, hollow, faintly queasy feeling in the hours beforehand is one of the most common physical reactions to stress, and it comes from wiring between your brain and your gut that has little to do with how prepared you are.

Why your gut feels it first

Your digestive tract runs its own extensive nervous system, called the enteric nervous system, built from more than 100 million nerve cells lining your gut from top to bottom. It stays in ongoing contact with your brain through the vagus nerve, so signals travel both ways, brain to gut and gut to brain. When you're anticipating something stressful, your brain sends out stress hormones that slow digestion, tighten gut muscles, and can trigger nausea, cramping, or a sudden urge to find a bathroom. This response evolved to send energy toward handling a threat instead of digesting breakfast, and your nervous system reads a job interview as exactly that kind of threat, even though nothing dangerous is happening. It's the same wiring covered in gut health during performance review season, just stretched across weeks instead of minutes.

The loop your body runs on repeat

1

Brain flags a threat

↓

2

Stress hormones release

↓

3

Gut motility shifts

↓

4

Nausea, cramping, or urgency

Each step feeds the next, and the physical sensation itself can add a second layer of worry on top of the original nerves. Naming what's happening in your body, a normal stress response rather than a sign something is wrong, tends to quiet that second layer somewhat.

Getting ready, hour by hour

The night beforeEat a familiar, moderate meal three to four hours before bed so digestion has time to settle. Go easy on caffeine and alcohol, both disrupt sleep and can irritate a gut that's already primed to be sensitive. Lay out your clothes and confirm your route or login details ahead of time, since logistical uncertainty adds its own physical stress the next morning. A short walk or a few minutes of stretching before bed can help work off some of the excess cortisol that would otherwise keep your gut on alert overnight.

The morning ofEat something small and easy to digest rather than skipping breakfast. An empty, acidic stomach often feels worse under stress than one with a little food in it. Plain toast, a banana, oatmeal, or a small portion of eggs tend to sit well for most people. Give yourself more transition time than feels necessary, since rushing stacks its own stress on top of interview nerves. If you're already jittery, skip the large coffee or switch to half caffeinated. Caffeine on an anxious stomach often adds a jittery edge rather than easing anything.

In the waiting roomSlow, extended exhales help engage the vagus nerve and can ease physical tension within a few minutes, often faster than trying to reason your way out of the queasiness. Inhale for a count of four, exhale for a count of six, and repeat for a minute or two before you're called in. Peppermint tea or a small candy has some evidence behind it for easing nausea and stomach discomfort, particularly for people prone to digestive upset, so it's a reasonable thing to keep on hand.

AfterwardThe stress response doesn't switch off the moment you walk out, so lingering stomach discomfort for an hour or two afterward is normal rather than a sign anything went wrong. Movement, a walk to your car or the next stop on your day, can help your body clear the stress hormones faster than sitting still does. Eat something gentle if you're hungry, and give yourself room to feel wrung out. That reaction is proportional to how much you cared about the outcome, and it tends to fade faster than it feels like it will in the moment.

A quick calming routine before you walk in

Do two minutes of four count in, six count out breathing
Sip peppermint tea or unwrap a peppermint candy if your stomach feels unsettled
Confirm you have everything you need so nothing catches you off guard
Name the sensation quietly to yourself: this is nerves, not a warning sign
Take a short walk if you have a few extra minutes before you're called in

The same proactive prep matters elsewhere too, whether that's talking points for a review or finally putting a task like getting a colonoscopy on the calendar on the calendar instead of the to-do list.