You know the feeling. The alarm goes off at some ungodly hour, and your body — which only really hit its stride around midnight the night before — is being asked to perform like it's noon. You stumble to the kitchen. You drink the coffee. You pretend to be a functional adult in a 9 a.m. meeting. And you tell yourself this is just how adult life works.

Turns out it might not be that simple. A long-running study out of Finland has been tracking what happens to night owls who spend decades working on an early-bird schedule, and the findings are more sobering than I expected when I first read the paper. We're not talking about grogginess. We're talking about whether people stay healthy enough to keep working at all.

What the Finnish researchers actually found

The study followed more than 5,600 adults from the Northern Finland Birth Cohort of 1966 — people who were all 46 years old at the start and still in the workforce. Researchers assessed each person's chronotype, which is a fancy word for whether you're naturally wired to be a morning person, an evening person, or somewhere in the middle. They also looked at genetic markers linked to morningness, because chronotype isn't just a lifestyle choice. It's partly baked into you.

Then they waited. For twelve years, through 2023, they tracked who ended up receiving a disability pension — the kind of benefit people get when their health genuinely stops them from working. The question wasn't about preference or productivity. It was about whether your body clock at midlife predicts whether you can keep going.

The headline result: evening types had roughly 1.7 times the risk of receiving a disability pension compared with morning types. The effect held for men and women more or less equally. Even when researchers controlled for education, income, and occupation — the usual suspects — the association stuck around.

Why the mismatch matters more than the chronotype

Here's the twist that makes the study interesting rather than just alarming. When researchers also factored in participants' health behaviours and work schedules, that elevated risk shrank significantly. In other words, being a night owl by itself probably isn't the villain. The villain is being a night owl trapped in a schedule built for larks.

More than 70% of the evening types in the study were working standard daytime hours — not evening shifts, not flexible arrangements, not anything that resembled their natural rhythm. That's years, sometimes decades, of forcing your biology to clock in before it's ready. Chronic sleep debt. Low-grade fatigue that becomes your baseline. Habits that erode because you're too tired to cook, exercise, or do the small daily things that keep a body running.

You can see how that compounds. Poor sleep leads to poor recovery. Poor recovery leads to poor health. Poor health, over a long enough timeline, leads to not being able to work. The researchers were careful to point out this is observational data, so it can't prove direct causation. But the picture it paints is coherent, and anyone who's spent years white-knuckling an incompatible schedule probably recognises it.

Why this matters for anyone considering deeper healing work

I write mostly about plant medicine and retreats, so you might wonder what a sleep study has to do with any of that. More than you'd think. A huge number of people who show up to ayahuasca ceremonies, psilocybin retreats, or any kind of serious healing container arrive already running on empty. They're exhausted. They've been pushing against their biology for years. And they often expect a single week in the jungle to repair what a decade of chronic depletion created.

It doesn't work that way. Facilitators I've spoken with repeatedly say the same thing: people who arrive deeply sleep-deprived have a harder time with ceremony. The nervous system doesn't have the reserves. Integration suffers afterward because the body can't consolidate what it's processing. If you're thinking about any kind of plant medicine work, your relationship with sleep in the months leading up to it matters as much as the diet or the intention-setting.

The same goes for depression, addiction, and the other stuck patterns people hope a retreat might shift. Chronic sleep misalignment is one of the quietest, most underestimated drivers of all of those. You can do deep work with ayahuasca or ibogaine or San Pedro and still come home to a schedule that's slowly dismantling you. The medicine shows you what needs to change. The actual changing happens in your daily life, and sleep is almost always part of that picture.

What to do if your schedule is at war with your biology

If you suspect you're one of the people this study is really describing, a few things are worth taking seriously. None of them are revolutionary. They're just the things most of us know and don't do.

• Keep your sleep and wake times steady across the week. The weekend binge-sleep pattern — up until 2 a.m. Saturday, crashing until noon Sunday, then back to a 6 a.m. alarm Monday — is essentially giving yourself jet lag every seven days. Your body never settles.
• Treat persistent fatigue as a signal, not a character flaw. If you're sleeping a reasonable number of hours and still dragging through most days, that's data. Talk to a doctor who takes sleep seriously. Rule out the obvious stuff — thyroid, iron, sleep apnoea — before you blame yourself for being lazy.
• Negotiate the schedule where you have any room to. A later start, a hybrid arrangement, a four-day week — small shifts can produce outsized benefits if they let you sleep when your body actually wants to. This is especially true if you're genuinely a late chronotype rather than a stressed-out morning person.
• Watch your inputs after dark. Bright screens, late caffeine, and heavy meals shift your rhythm later even if you don't want them to. If you're already pushed late by biology, you don't need help from your habits.
• Protect the hour before bed. It sounds precious, but a reliable wind-down ritual trains your nervous system to let go. Even twenty minutes of low light and no screens helps.

The bigger picture: rest as the foundation under everything else

One of the quiet themes running through serious plant-medicine traditions is that healing work rests on an unglamorous base. Diet. Water. Sleep. Time outdoors. The ceremonies themselves are the dramatic peaks, but what makes them work — or not — is the terrain of ordinary life around them. If that terrain is scorched by years of chronic depletion, the medicine has less to work with.

Western culture tends to treat sleep as the thing you shave off to make room for everything else. Productivity, hustle, early meetings, late deadlines. The Finnish data is a small, sober reminder that this trade has a bill, and it comes due later, often decades later, often as something more serious than fatigue. If you've been feeling that bill is already arriving in your own life, it's worth paying attention.

And if you're the sort of person for whom this article is landing because you're already considering a bigger reset — a plant-medicine retreat, a serious step back from the life you've built, a period of deliberate healing — rest is where that work begins and where it has to continue. For readers wanting to take that further, a range of curated plant-medicine and healing retreats can be browsed on our marketplace here. Whatever you decide, start by giving your body back the sleep it's been asking for. Everything else gets easier from there.