Sleep age guide · nurses
Sleep age calculator for nurses
Rotating shifts, 12-hour days, and chronic circadian disruption put nurses among the most sleep-compromised professions in healthcare.
The pattern we see in nurses
- Shift rotation between days and nights inverts the circadian rhythm faster than the body can adapt.
- Mandatory overtime shrinks recovery windows below the 7-hour AASM minimum.
- Night-shift exposure is associated with elevated risk of cardiometabolic disease and certain cancers.
Three changes that move the needle.
Strategy 1
Anchor sleep on consecutive days
When working multiple nights in a row, keep your sleep window inside the same 8-hour block — even on days off — so your circadian rhythm stops trying to flip back.
Strategy 2
Treat morning light like medication
After a night shift, wear blue-blocking glasses on the drive home. Use blackout curtains. After waking, get 15 minutes of bright outdoor light to anchor the next cycle.
Strategy 3
Use strategic caffeine, not all-day caffeine
A single 200mg dose at the start of a night shift outperforms drip-feeding caffeine across the night, with cleaner come-down before sleep.
Citations
Take the test
See your sleep age in 60 seconds.
One question to start, eight to refine. We'll preset defaults that match the nurses pattern — change anything you want.
Calculate my sleep age