寐語 （ビゴ） sleep-talking, nonsense

寤寐 （ゴビ） being asleep and awake

夢寐 （ムビ） asleep, dreaming

寝る （ねる） to sleep (lying down), to go to bed, to lie in bed, to lie down, to sleep (with someone, i.e. have intercourse), to lie flat (e.g. of hair), to lie idle (of funds, stock, etc.), to ferment (of soy sauce, miso, etc.)