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INThe Graveyard (Night) Shift: Hours, Health & How to Run It Well
The graveyard shift is the overnight work period — typically midnight to 8am (or 11pm-7am) — when the rest of the world sleeps. It's the third shift of a 24-hour operation, formally the night shift, and the one that asks the most of the people who work it.
Why it matters
Night work keeps hospitals, utilities, logistics networks, security posts and 24-hour services running, and it cuts directly against human biology. The body's circadian clock promotes sleep precisely when a night worker must be alert, and daytime sleep is shorter and lighter than night sleep — the average night worker runs a chronic sleep debt that no amount of toughness erases.
That makes nights a rostering problem before they're a personal one. The levers that demonstrably help: keep night runs short (2-3 in fast rotations) or long enough to adapt (a stable block with consistent sleep times); rotate forward; protect the post-nights recovery day; pay a visible night differential; and treat alertness late in the shift as a safety parameter, not a character test.
Many jurisdictions add legal guardrails — limits on average night hours, health assessments, transfer rights (the EU Working Time Directive's night-worker provisions are the template). If you roster nights anywhere, know your local version.
A worked example
A 24/7 distribution site runs nights 22:00-06:00. The roster holds night runs to three consecutive shifts, schedules no one onto a day shift within 48 hours of a night block, and adds a 15% differential. Staffed that way, nights stay reliably covered by people who've chosen them — instead of becoming the shift everyone dodges.
✓ Do
- Cap consecutive nights (2-3 in rotating patterns; stable longer blocks only for true night regulars)
- Schedule a genuine recovery gap after a night block before any day shift
- Pay nights visibly more — differentials are retention, not generosity
- Keep light, food and break quality on nights equal to days
- Check night-work regulations in your jurisdiction (hour limits, health checks)
✗ Don't
- Roster quick returns: a 6am finish into a 2pm start is a fatigue trap
- Treat nights as the shift for whoever lacks the seniority to refuse
- Leave nights leaderless — incidents cluster where supervision is thinnest
- Ignore commute safety after a 12-hour night
- Assume volunteers can do unlimited nights — adaptation has limits for everyone
Variations & alternatives
Build this schedule in Tommy
Set the rotation once and Tommy fills the weeks ahead — shift swaps, leave and coverage gaps handled in one place, with your team always seeing the latest version.
