King's SleepConsumable 18
Source Pathfinder Core Rulebook
Price 4,000 gp
Weight light
King's sleep is an insidious long-term poison that can seem like a disease or even death from natural causes on a venerable target. The drained condition from king's sleep is cumulative with each failed save and can't be removed while the poison lasts.
Activate 
Interact (Ingested)
Saving Throw DC 41 fortitude
Onset 1 day
Stage 1 Drained 1 (1 day)
Stage 2 drained 1 (1 day)
Stage 3 drained 2 (1 day)
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
AlchemicalAlchemical items are powered by reactions of alchemical reagents. Alchemical items aren't magical and don't radiate a magical aura.
ConsumableAn item with this trait can be used only once. Unless stated otherwise, it's destroyed after activation. Consumable items include alchemical items and magical consumables such as scrolls and talismans. When a character creates consumable items, they can make them in batches of four.
IngestedThis poison is delivered when drunk or eaten.
PoisonAn effect with this trait delivers a poison or deals poison damage. An item with this trait is poisonous and might cause an affliction.
VirulentAfflictions with the virulent trait are harder to remove. You must succeed at two consecutive saves to reduce a virulent affliction's stage by 1. A critical success reduces a virulent affliction's stage by only 1 instead of by 2.