i guess one becomes aware, but doesn't get out of bed.
or she's talking about when she progresses from stage 3 sleep to REM sleep, which happens every night and i cannot image why it would be deserving of a song lyric.
either way her songwriters aren't being paid enough.
_________________
הייתי צוללת עכשיו למים
הכי, הכי עמוקים
לא לשמוע כלום
לא לדעת כלום
וזה הכל אהובי, זה הכל.