Darius is sleeping right through the sounds of fire engine and police car sirens right outside his window.It is MOST likely that Darius is _____.

Question

Quizplus · Accepted Answer

Stage 3 sleep, also known as deep sleep or slow-wave sleep, is the most difficult stage from which to awaken. During this stage, the body is less responsive to external stimuli, making it more likely for someone to sleep through loud noises like sirens.

Darius Is Sleeping Right Through the Sounds of Fire Engine