If the knife in sleep was bleeding, avoid any arguments to avoid an accident which will hurt you.
If you are sharpening the knife, you will be very upset, and if you cut it out, you might have, in reality, a knife injury.
A knife (plural knives) is a tool with a cutting edge or blade, hand-held or otherwise, with most having a handle. Some types of knives are used as utensils, including knives used at the dining table (e.g., butter knives and steak knives) and knives used in the kitchen (e.g., paring knife, bread knife, cleaver).
usually sharp blade attached to a handle that is used for cutting or as a weapon