sneak out (of some place)
To exit some place in a quiet, sneaky, inconspicuous, or furtive manner. I managed to sneak out of the room without the teacher noticing me. I'll have to wait until my parents are asleep before I can sneak out can come meet you.
sneak out (of some place)
to go out of a place quietly and in secret. I sneaked out of the meeting, hoping no one would notice. Jamie saw me and sneaked out with me.