Moria says it "is regarded as one of the great classics of the genre, while the ventriloquist’s doll segment is regarded as the authoritative treatment of the theme." (I'm still not going to watch it.) British Horror Films says, "To me, Dead Of Night is simply the most terrifying film ever made". Classic-Horror.com says,
Its overall high quality, mind-bending wraparound story, and one legendary sequence solidify Dead of Night's reputation as one of the greatest examples of the horror anthology.Rotten Tomatoes gives it a score of 96%.