If you hear a loud noise that awakens you while going to sleep and you feel as though you had not even been asleep, then you were most likely in which stage of sleep?

If you hear a loud noise that awakens you while going to sleep and you feel as though you had not even been asleep, then you were most likely in which Relaxed wakefulness state.

Explanation:

"Relaxed Wakefulness is a daily recurring brain state and state of consciousness in which an individual is conscious and engages in coherent cognitive and behavioral responses to the external world."

can i know what the options are for this question ? ?