By himself, he never would have considered sneaking out of the house.
One night he sneaks out of the house, takes his father's car and goes to a local bar.
I had to sneak out of the house to get here.
One night, three days after her thrashing, she tried to sneak out of the house.
My mom helped me sneak out of the house.
He used to sneak out of the house in the morning before she woke up.
The next morning they sneak out of the house and want to go to the cave looking for clues.
She sneaks out of the house to go to church.
My guess is, you sneaked out of the house after they went to sleep.
She would even sneak out of the house to join competitions.