Exhaustion Rules in D&D
Exhaustion is one of the most mechanically significant conditions in Dungeons & Dragons, capable of turning a fully capable adventurer into a liability in six discrete steps. This page covers how the condition is defined in the 5th Edition rules, how it accumulates and clears, the situations most likely to trigger it, and the judgment calls that come up most often at the table.
Definition and scope
A character suffering from exhaustion isn't simply tired — they are operating at a measurable, tracked disadvantage that compounds with each additional level. The 5th Edition Player's Handbook defines exhaustion as a condition with 6 levels, each one stacking onto the last. Level 6 is death. That escalating structure is what separates exhaustion from most other conditions in D&D: being poisoned or frightened is bad, but it doesn't kill you by accumulating.
The scope of exhaustion is deliberately broad. Hunger, thirst, sleep deprivation, suffocation, and environmental hazards — extreme cold, extreme heat, forced marching — can all impose it. So can certain spells, creature abilities, and the side effects of powerful magic. It's the game's general-purpose "your body is breaking down" mechanic, flexible enough to cover everything from a desert crossing to a necromancer's curse.
How it works
The 6-level table from the Player's Handbook (p. 291) breaks down as follows:
- Level 1 — Disadvantage on ability checks
- Level 2 — Speed halved
- Level 3 — Disadvantage on attack rolls and saving throws
- Level 4 — Hit point maximum halved
- Level 5 — Speed reduced to 0
- Level 6 — Death
Each level is additive. A character at Level 3 has disadvantage on ability checks and halved speed and disadvantage on attacks and saves — all three simultaneously. By Level 4, that same character is also fighting with half their total hit points as a ceiling. The math turns punishing fast.
Removing exhaustion requires a long rest plus food and water. One long rest clears exactly 1 level. A character at Level 4 needs 4 full long rests — with adequate nourishment — to return to baseline. The greater restoration spell can also remove 1 level without requiring a rest, which is why it appears on so many "must-prepare" lists for clerics working in survival-heavy campaigns.
One important distinction worth flagging: exhaustion from a forced march (described in the Player's Handbook travel rules) requires a DC 10 Constitution saving throw at the end of each hour beyond 8. Failure adds 1 level. This is separate from the automatic exhaustion imposed by going without water for more than a day or without food for more than 3 + Constitution modifier days — those have their own timelines and DCs, also laid out in the Player's Handbook survival rules (p. 185–186).
Common scenarios
Exhaustion shows up in three reliable contexts at most tables:
Survival-focused travel. A desert trek, an arctic crossing, or a dungeon where the party can't safely rest for 48 hours will stack exhaustion faster than most groups expect. Rangers with the Natural Explorer feature can help their group avoid forced-march exhaustion, but that feature doesn't neutralize food and water requirements.
Resurrection magic. The revivify, raise dead, and resurrection spells each carry exhaustion penalties under 5th Edition rules. Raise dead imposes a -4 penalty to all attack rolls, saving throws, and ability checks — mechanically equivalent to Level 4 exhaustion — that reduces by 1 for each long rest. This is separate from the condition itself but uses the same numerical structure. Understanding how it works in tandem with the condition proper avoids confusion when a freshly revived character seems mysteriously incapable.
Certain class features and spells. The Reaper ability on some homebrew builds, the Frenzy subfeature of the Berserker Barbarian (which gives 1 level of exhaustion per frenzied rage), and the Animate Dead variant uses in some settings all interact directly with the exhaustion table. The Berserker's Frenzy is a canonical example of a class feature that is structurally taxing by design — the trade-off between power and accumulating exhaustion is the whole point of the subclass.
Decision boundaries
The exhaustion rules are clear about the table but leave DMs with real interpretive work on the triggering conditions. The D&D frequently asked questions and Sage Advice Compendium clarify some edge cases, but several recurring questions come up.
Does a short rest help? No. Exhaustion only clears through long rests with proper sustenance. A short rest, regardless of hit dice spent, does nothing to the exhaustion level. This surprises players who associate rest with recovery broadly.
Does the halved speed at Level 2 stack with other movement penalties? Yes. If a character is also suffering from the restrained condition (speed reduced to 0 by that condition's rules), the two stack — but since restrained already zeroes the speed, the halving is moot. At Level 5, exhaustion itself reduces speed to 0 regardless of restrained status.
What counts as food and water for recovery purposes? The Player's Handbook specifies 1 pound of food and 1 gallon of water per day (or half a gallon in cool conditions). Heroes' Feast satisfies the requirement. Goodberry produces 10 berries, each providing a day's nourishment — one of the reasons the spell is considered quietly overpowered in resource-attrition campaigns.
Does a long rest in dangerous conditions count? A long rest requires at least 6 hours of sleep and no more than 2 hours of light activity in an 8-hour period. If interrupted by more than 1 hour of strenuous activity, the rest doesn't count. DMs running campaigns with meaningful survival stakes apply this strictly — a rest that doesn't qualify means the exhaustion level doesn't drop, and the food still gets eaten.