What is the difference between indicative and imperative?

What is the difference between indicative and imperative? The indicative mood is for stating facts, as in: “He is sleepy.” The imperative mood is for issuing commands, as in: “Go to sleep.” The subjunctive mood is for uncertainty, often expressing as a wish, desire, doubt or hope as in: “I wish I were sleepy.”

The indicative mood is for stating facts, as in: “He is sleepy.” The imperative mood is for issuing commands, as in: “Go to sleep.” The subjunctive mood is for uncertainty, often expressing as a wish, desire, doubt or hope as in: “I wish I were sleepy.”