Every sleep guide says the same thing: consistent bedtime, consistent wake time, dark room, no screens. Great advice — if you work 9-5.

But if you're a nurse finishing at 3am Tuesday and starting at 7am Thursday, or a warehouse worker rotating between days and nights every two weeks, "consistency" isn't a strategy. It's a fantasy.

Here's what actually matters for shift workers:

Your sleep anchor isn't a clock time — it's your shift window. Instead of picking a fixed bedtime, you calculate backwards from your shift start and commute. That gives you a realistic sleep window that moves with your schedule, not against it.

Not all sleep decisions are equal. Some nights you protect sleep at all costs (green). Some nights you flex a bit (yellow). Some nights you just survive (red). Knowing which night is which — before it happens — is the difference between a system and a hope.

Caffeine, light, and meals aren't habits to "fix." They're levers. When you time them relative to your shift (not relative to some ideal morning routine), they actually help instead of making things worse.

The real question isn't "how do I get perfect sleep?" It's "how do I get 7+ hours on most nights when my schedule keeps changing?"

That's what the No-Perfect-Routine Sleep Framework solves. Built specifically for nurses, warehouse staff, drivers, hospitality workers, and anyone else whose roster changes week to week.