Night Shift, No Routine
Leah is an emergency department nurse. She works three 12-hour night shifts a week, 7 p.m. to 7 a.m., and her roster changes monthly. She wants to lose 4 kg and 'eat clean.' On shift she usually skips a meal, drinks two energy drinks, and eats from the vending machine around 3 a.m. At home she sleeps from about 9 a.m. to 3 p.m., then eats a large 'breakfast' at 4 p.m. She has tried meal prep twice; both plans collapsed when her shifts changed. She says, 'Just give me a full meal plan with exact times and I'll follow it.' She has no medical conditions, takes no medication, and has a gym membership she uses once a week. She is 34, has a partner who works days, and says she feels 'wired and tired' most of the time.
1. What is your first target, and why is it that rather than 'clean eating' or weight?
Read the worked answer
The first target is the pre-shift meal and a planned shift meal, not food quality or the scale.
Reasoning: The vending machine at 3 a.m. is not a willpower failure; it is the predictable endpoint of skipping a meal, working 12 hours, and using two energy drinks. She is arriving at the hardest part of the shift underfed and stimulated. A 'clean eating' target leaves that chain intact. Weight is a downstream outcome and too noisy to guide the first two weeks, especially with rotating shifts and poor sleep.
Choose one anchor behaviour: Eat a protein-containing meal at around 5:30 p.m. before the shift. That single change does more than a full plan because it addresses the hunger that drives the 3 a.m. vending and reduces reliance on energy drinks. The second behaviour, added once the first is reliable, is bringing a shift meal with a shelf-stable backup.
Why anchors rather than clock times: Her roster changes monthly, so fixed times break. Use event anchors - before shift, mid-shift, after shift - which survive a roster change. Also ask about sleep and caffeine, since 'wired and tired' suggests the recovery period is part of the problem.
2. How do you handle her request for a timed meal plan?
Read the worked answer
Acknowledge that she is asking for structure because structure has been missing, and that her two meal-prep attempts failed for a reason she already knows: the roster changed and the plan did not. A timed seven-day plan will fail the same way. Do not simply refuse; replace it with something that meets the underlying need.
Offer a shift-proof template instead: three anchors - pre-shift, mid-shift, post-shift - each with three or four options she actually likes, plus one shelf-stable backup she can keep in a locker. She chooses within the options each day. That gives her the written structure she wants without the brittleness of exact times.
Explain the design: 'A plan with times assumes your week looks the same each week. Yours doesn't. This gives you the same structure with room for the roster.' Keep it to one page; a long document will be abandoned.
Test it before agreeing: Ask what time she actually gets home, who else is in the house at 4 p.m., and whether she can eat before leaving. If the barrier is childcare or transport, the plan must solve that, not just list meals. If she insists on exact times, offer to try it for one roster cycle and review what broke.
3. What would you track for the first two weeks, and what would make you change course?
Read the worked answer
Track the behaviours in the chain, not the scale: pre-shift meal eaten (yes/no), shift meal brought (yes/no), number of energy drinks, vending at 3 a.m. (yes/no), sleep hours after shift, and hunger at 3 a.m. on a 1–5 scale. These are few enough to complete after a 12-hour shift and specific enough to show whether the intervention is working.
Why not weight: two weeks of night shifts and variable sleep will produce noise that invites a premature conclusion. Waist or a weekly average weight can be added later.
Change course if: the pre-shift meal is consistently missed because of a real constraint - childcare, commute, nausea - in which case move the anchor to a meal she can actually eat. Change course if she brings a meal but still uses the vending machine at 3 a.m.; that suggests timing or portion adequacy rather than access. Change course if sleep is consistently under five hours or she reports persistent fatigue, dizziness, or palpitations; that warrants a medical conversation rather than more coaching.
Measure success as process: for example, pre-shift meal on five of six shifts and one fewer energy drink per shift. If those move, the rest can follow.