You don't decide to deload in the moment you feel wrecked. You decide it in advance, and the feeling just confirms the calendar was right.
A deload is a scheduled drop in training volume — sets cut roughly in half, intensity and frequency left alone, for about a week. Four to six weeks is the working rule; competitive strength and physique athletes land closer to five or six on average, decided before the block starts, not after a bad session. This page is the schedule and the four signals that move it forward — not the theory.
Four to six weeks is the working rule, whatever block you're running. That's not a round number picked for convenience. The closest thing this question has to an expert consensus defines deloading as a planned drop in training stress, not a reaction to feeling wrecked. Competitive strength and physique athletes land closer to five or six on average — a habit they converged on long before anyone handed them the number.
The calendar is the default. It's not the only trigger. A specific signal showing up early moves the deload forward. No signal showing up doesn't cancel it: the scheduled week still happens, because a deload is maintenance, not a penalty for a bad block.
This page is only about the timing decision. Planning the rest of the block — picking a driver, setting week one, deciding the exit — is its own page.
Any one of these is enough to pull the deload forward, off the calendar and onto this week:
There's a name in the literature for the gap between a hard week that's working and a hard week that's costing you. The joint consensus statement on overtraining syndrome, from the two biggest bodies in sports science, calls the early and still-reversible version nonfunctional overreaching: recoverable in weeks if you catch it, months if you don't. Catching it is what the deload is for.
This page exists because I ran into this myself. Coming from a CrossFit background, I was trained to treat constant fatigue as the job. That instinct fights against the thing hypertrophy training actually needs.
“It's very easy to fall into overtraining and be unable to manage fatigue. I think that probably was holding me back, especially if you're coming from the background of CrossFit, where you are so used to working and operating under fatigue that that obviously isn't ideal for muscle building.”
— David Fernandez, Fire Your CoachA controlled trial on this puts a number on the honest version of that story: a one-week deload measurably cost lower-body strength in the short term, with no measurable effect on hypertrophy, power, or endurance. A deload isn't a free reset you run on autopilot. It's the cheaper cost, taken on purpose, instead of the expensive one that shows up when nobody scheduled anything.
Every signal on this page is a comparison against your own recent history: this week's top set against last week's at the same RIR, this week's sleep against last week's, whether the exercise swap in session four was a joint complaint or a scheduling one. None of that lives in your head reliably past the second week of a block.
Fire Your Coach keeps the numbers this decision actually needs — sets and load at a stated effort, session by session, plan against what you actually did — and hands them back when you're deciding whether this is a hard week or a hard month. The reasoning carries into the next block too, so the deload you take now shapes where week one starts next time.
You can run this decision off memory and a spreadsheet for a while. The lifters who catch the early signal instead of the late one are usually the ones with a record, not the ones with better instincts.
Two triggers, and either one is enough. The scheduled one: every four to six weeks of accumulating training, put a reduced week on the calendar before the block starts. The early one: performance flat or falling at a matched effort for more than one session, sleep or appetite drifting with nothing outside the gym explaining it, joint pain that changes how you move, or motivation dropping off in a way you cannot argue yourself out of. Any one of those means pull the deload forward, not wait for the calendar date.
Soreness clears within the muscle group's normal recovery window and does not change how you move the bar. A deload signal does one of two things soreness never does: it changes your technique to protect a joint, or it shows up as a pattern across a full week rather than one hard session. Sore and fine the next day is normal training. Guarding a joint, or flat for a week, is not.
About a week. Cut volume roughly in half, fewer sets rather than fewer sessions, and hold load and exercise selection where they were. The mechanics of running one are covered on how to plan your next mesocycle; this page is only about deciding when.
Feeling fine is not the same as measuring fine. The scheduled week still happens: that is the default, not a penalty. A deload is not free either. One controlled trial found a short-term lower-body strength cost, with no benefit to hypertrophy, power, or endurance. That is why you do not add extra ones on a whim. You take the cheaper planned cost so you are not paying the expensive one later.
More, not less. Conditioning work that trains you to push through fatigue as a skill makes it harder to notice when fatigue has stopped being a stimulus and started being a debt. The schedule on this page is written for hypertrophy and strength blocks; hybrid strength-and-conditioning periodizes differently, but the underlying signals mean the same thing regardless of which sport taught you to ignore them.