"Dort"
This is the present tense of the verb "dormir" which means "to sleep."
Here are some examples:
* Les enfants dorment. (The children are asleep.)
* Il dort dans son lit. (He is asleep in his bed.)
* Tu dors déjà ? (Are you asleep already?)
Note: "Dort" is used for all subjects (je, tu, il/elle/on, nous, vous, ils/elles) in the present tense.