federal/state 'regulators'
a pressure 'regulator'
(..) Supreme Being. Me protect you. Sleep. Sweet dreams, Mr Dallas. Sleep regulators operative in zone . Thank you. Zone , are you operative? Yes, everything is ready. Mr Rhod... (..)1997 The Fifth Element
(..) l don't believe this! This is a police patrol. Put your hands in the yellow circles. lt's a mistake! We are now switching on the sleep regulators to regulate your sleeping during the flight. Hi! - You speak English, now? - l learned. Good. (..)1997 The Fifth Element