D&D 5e rule · SRD 5.2
Unconscious
- Kind
- Condition
You're out cold and unaware of your surroundings.
- You're Incapacitated and Prone, drop whatever you're holding, and your Speed is 0.
- You automatically fail Strength and Dexterity saving throws.
- Attack rolls against you have Advantage.
- Any hit from within 5 feet is a Critical Hit.