This is the 2854th most frequent French word.
dort
Sleeps.
'Dort' expresses the habitual action of sleeping performed by 'elle' (she) in the regular present tense form.
Elle dort souvent sur le canapé pendant la journée.
She often sleeps on the couch during the day.
'Dort' in this sentence is the third person singular present tense form of the verb 'dormir', which means 'to sleep'. It indicates the action of sleeping done by 'il' (he).
Il dort profondément cette nuit.
He is sleeping deeply tonight.
'Dort' here represents the current action of sleeping by 'l'enfant' (the child) and implies a state ongoing in the present.