Does Winning the Lottery Actually Make You Happier?

In 1978, three psychologists - Philip Brickman, Dan Coates and Ronnie Janoff-Bulman - tracked down people who had recently won a major state lottery. They also found a group of people who had recently become paralyzed in accidents. Both groups answered the same simple questions: how happy are you right now, and how happy do you expect to be in a couple of years?

The lottery winners were not noticeably happier than an ordinary comparison group. They rated their current happiness at a similar level, and expected to feel about the same in the future too. The people adjusting to paralysis, unsurprisingly, reported lower happiness in the immediate aftermath - but they also expected their happiness to climb back toward the same range as everyone else within a couple of years.

This is the finding that launched what researchers now call the hedonic treadmill: the idea that big events, good or bad, push our mood away from its usual level only temporarily, and then something pulls it back. It runs in both directions, which is the part people tend to forget - the same machinery that dulls the shine of a windfall also cushions the weight of a setback.

The study is small by modern standards - a few dozen winners, a smaller group of accident survivors, all self-reporting their mood at a single point in time rather than being tracked from before the event - and later researchers have pointed out that it cannot tell us how fast the return to baseline happened, only that it had mostly happened by the time anyone asked. Even with those limits, the basic pattern has held up across decades of better-designed studies that followed people over years rather than interviewing them once.

What actually pulls us back

Three ordinary mental habits do most of the pulling.

The first is comparison. Happiness is not measured against some fixed scale; it is measured against what you are used to. A new salary feels wonderful until it becomes the number you expect every month, at which point it is simply your baseline and something else has to feel wonderful.

The second is habituation. The nervous system is built to notice change, not steady states. A gorgeous view out of a new apartment window is stunning for the first week and then becomes wallpaper, because attention is expensive and the brain spends it on what is new.

The third is a subtler one: shifting standards. Once you have a nicer car, a nicer car is simply what a car is supposed to be, and your idea of an impressive car quietly moves up to match. This is one reason material upgrades are especially prone to fading - the upgrade rewrites the reference point it was supposed to beat.

The set point is real, but it is not a wall

For a long time, Brickman's finding got compressed into a stronger claim than the data supported: that everyone returns all the way to a fixed happiness set point no matter what happens. A 2006 review by Ed Diener, Richard Lucas and Christie Napa Scollon pushed back on that stronger version.

Their argument was not that adaptation is a myth. It is that the set point itself is not one universal number, that people differ in how fast and how completely they adapt, and that a genuine set point can shift after a big enough change in circumstances. Richard Lucas's own later work on large, long-running panel surveys found some events - divorce, the birth of a child, a spouse's death - followed by a fairly complete return to baseline for most people. Others did not: sustained unemployment, especially for men, and adjusting to a significant disability, showed only partial recovery years later for a meaningful share of people. Adaptation is real and it is strong, but it is not universal, instant or complete for everyone.

Why this is worth knowing

None of this means chasing good things is pointless. It means the kind of good thing matters. Experiences you can revisit in memory, relationships, and a sense of progress toward something you value tend to resist the treadmill better than a fixed possession, because they keep generating small new moments rather than becoming a static fact about your life that you stop noticing.

It also means the fading is not a personal failure. If a raise, a new phone or even a big win stopped feeling exciting faster than you expected, that is the ordinary operation of attention and comparison, not evidence that something is wrong with you or that nothing will ever make you happy. The same logic runs the other way with hardship: the fact that a painful stretch eventually stops feeling as sharp is not you failing to take it seriously, it is the same adaptation working in your favor.

Savoring as a counterweight

Researchers who study savoring - deliberately slowing down to notice a good moment while it is happening, rather than letting it pass unattended - have proposed it as one way to work against habituation, on the logic that adaptation runs on inattention and savoring is attention on purpose. It will not suspend the treadmill indefinitely, but noticing more of what is already good is a cheaper strategy than acquiring more things to feel good about.

What this means for you

Expect the glow of any single win, purchase or achievement to fade - that is not pessimism, it is what forty years of research on this predicts. Put your effort where adaptation is slower: relationships, novel experiences, and a sense of meaningful progress. And when something good is actually happening, try noticing it while it happens rather than assuming you will enjoy it later, because later is exactly when the treadmill will have started its work. A short gratitude habit, such as naming one specific good thing at the end of the day, works on the same principle: it forces a moment of attention onto something the treadmill would otherwise have quietly erased.