'je vais me coucher, bonne nuit' (I'm going to bed, good night)
to go to bed angry is 'aller au lit en colère' in French.
aurevoir (if youre saying bye) par(if youre saying by like if youre writing a story)
Au revoir,(Bonne nuit) je me couche
A bed is 'un lit' (masc.) in French.
bed in french would be être.
Its Be'cherineo
un lit
Cet lit
Both
lit king
Un bed and breakfast (these are borrowed words)
To go to bed is "aller au lit" or "aller se coucher" in French. Go to bed! is "va te coucher!"