PreparedSobriety

Your stage: VisualizationYour stage: Identity DriftYour stage: Compounding FrictionYour stage: Decision PointYour stage: Retirement

All articles

Sobriety and Work Performance: What Actually Changes

Take the 90-second testAbout 90 seconds. Your answers stay in your tab.

What you need to know

Here’s the thing nobody puts in a performance review. If you drink even 2 to 3 nights a week, Monday isn’t really a full workday for you if your last drink was on a Sunday. It’s foggy through the morning, sometimes into early afternoon, and that’s one out of five days running at a deficit before you’ve even opened your laptop. That’s 20% of your work week, every week, for years. It’s expensive for employers too, hangover related presenteeism costs more than four times what people calling in sick does. Retiring from alcohol™ doesn’t just mean feeling better. It means getting that day back, and then some.

Let’s talk about the Monday tax, because nobody does.

If your last drink was Sunday night, Monday isn’t really a full workday for you. You show up. You’re at your desk. On paper you worked a full week. But at the end of the day, one of those five days wasn’t really available to you. Foggy through the morning. Still not sharp by early afternoon. Present, sure. Operating? Not really.

A woman in her mid forties in a charcoal blazer stands at an office window in morning light, calm and focused

Do the math on that. One compromised day out of five isn’t a rounding error, that’s 20% of your work week running on a deficit, and it’s been happening for years without anyone flagging it. Nobody’s writing that up in a review. But it’s real, and you’re the only one who actually knows what your brain has access to on any given day.

What the research says

This isn’t just my own take on it. It’s expensive for employers too, being at your desk but underperforming actually costs more than people just not showing up, by a wide margin. Researchers who study this stuff put it plainly. You notice when someone doesn’t show up. You almost never notice when someone shows up and isn’t running at full capacity.

At the end of the day, nobody’s calling out your Monday fog in a meeting. If you take pride in your work, you’ve gotten really good at masking it. You’re not failing publicly, you’re just quietly operating below what you’re actually capable of, and you’ve built a whole system around covering for it.

What actually changed

A few months after I retired from alcohol, I noticed I was thinking more clearly than I had in years. Not a slight bump. And it hasn’t leveled off. It keeps getting better, month over month.

But the thing that surprised me more than the mental clarity was the time. I built Prepared Sobriety™ in the evenings and on weekends. Before I retired, those same hours were spent planning around happy hour, or recovering from the one before it. Now that time’s just there. More hours, more efficiency, better output, and none of it borrowed from somewhere else.

That’s the real trade nobody talks about. It’s not just what you stop losing. It’s what you get to build with the time and capacity that comes back to you.

The confidence side of it

Performance isn’t only hours and hangovers though. It’s also how you show up when it actually counts. I used to walk into an office without an appointment, or call nine times over two weeks just to get a meeting. That nerve didn’t disappear with age. It got buried under years of managing Mondays. After I retired from alcohol, it came back.

If you work hard and drink even 2 to 3 nights a week, or just on weekends, the question isn’t whether alcohol is costing you performance. It already is, no doubt. The only question is whether you can actually feel it yet. If you want the bigger picture of how this fits into the decision, the Prepared Sobriety Framework walks through the five stages most people move through before they retire from alcohol for good.

And if you’re weighing this yourself right now, working with Colin directly is built for exactly this stage.

Frequently asked questions

Does drinking actually affect work performance the next day, even without a hangover?

Yes. Even moderate drinking impairs decision-making, planning, and working memory the next day, whether or not you feel hungover. These are the exact executive functions demanding work depends on, and the impairment shows up even when you feel fine.

How much productivity is lost to hangovers in the workplace?

Hangover related productivity loss costs employers real money every year, and most of that cost comes from presenteeism, being at work but underperforming, rather than missed days. Presenteeism costs employers more than four times what absenteeism does.

Why don’t people who are good at their jobs notice how much drinking is affecting their work?

People who are good at their jobs are often skilled enough to mask reduced capacity, showing up and appearing functional even while operating well below their real capability. The cost stays hidden because nobody else can see what you’re missing, and you’ve gotten good at covering for it.

Does mental clarity keep improving after you stop drinking, or does it plateau?

For many people, cognitive improvements keep compounding well past the first few months. Clarity, focus, and capacity keep building rather than leveling off, especially as sleep and other recovery markers catch up over time.

Can retiring from alcohol change your career trajectory, not just your health?

Yes. Recovered time, sharper decision-making, and restored confidence directly affect output and career growth. Many people find they accomplish more in their off hours, and perform better in high-stakes moments, once alcohol stops competing for their time and mental bandwidth.

Colin Casillas, smiling.

Open to a conversation? A complimentary 30 minutes, one-on-one with me. About the call

Where to go from here

  1. The test

    About 90 seconds. Your answers stay in your tab.

    Take the 90-second test
  2. Reserve

    My private membership opens January 1, 2027. $100 a month, or $1,100 for the year with one month complimentary. Join the waitlist now and keep this price for as long as you stay.

  3. The call

    A complimentary 30 minutes, one-on-one with me.

    Book a complimentary call