Definition
When you remain asleep despite significant noise or activity around you, you are unaffected by it.
Despite the loud music blaring throughout the street during the party, she slept through it all, which was surprising considering how lively the event was.
All the turbulence he experienced on the plane didn't affect his sleep; he managed to sleep through the entire flight.
Even with the howling winds and torrential rain outside, he was able to sleep through it while resting next to the window.