Nobody wakes up and decides to smoke more. What happens is that a night shift arranges a whole day that does not suit your body, and the cigarette becomes the only thing marking time. Break, cigarette. Task done, cigarette. Coffee, cigarette. That is not weak willpower. That is a schedule.
The first is the break. On a day shift a break is a side event between tasks. On a night shift the break is the only event, and stepping out for a cigarette gives you a reason to walk and leave the screen for five minutes.
The second is boredom. At 3 a.m. there is nothing to do, and a cigarette eats five minutes and makes a long hour feel shorter.
The third is coffee. Coffee and cigarettes have merged into one habit for most people, and a third cup at midnight means a third cigarette you never decided on.
The fourth is the crew. In an empty corridor, the smoking spot is the only place you find someone to talk to. Cutting cigarettes means cutting the conversation, and that is harder than the cigarette itself.
Before any plan, take one week and write down how many cigarettes you smoke on each shift and which hour carries most of them. No commentary, just the number.
Most people assume they smoke evenly. The page usually says otherwise: three in the first two hours, one across the next six, three in the last. Whichever block piles up is the block you work on.
You can keep that count next to your shifts. Shiftat-E logs your shifts and hours and lets you plan your leave, and the record shows you which type of shift costs you the most.
Most people decide to cut down on their day off, and the opposite happens. A day off has more empty hours, and empty hours usually mean more cigarettes, not fewer.
Start at work, because the shift has a fixed routine you can change one piece of. Make one swap: the first-break cigarette becomes a ten-minute walk, and everything else stays exactly as it is. After two weeks that cigarette usually does not come back, and if it does, it does not come back at the same time.
Watch the second pattern too: consecutive nights and last-minute cover are what push the number up. With your shifts in front of you, you see that pile-up early, and you can plan leave so you are not doing four nights in a row.
No lecture here, and nobody is telling you to stop today. The loop starts with one line: the count, the hour, the shift. One week, then decide.
Log your shifts, your hours and plan your leave in Shiftat-E, and start counting tonight: https://play.google.com/store/apps/details?id=com.q8dm.shiftate