Lights out
Sack time and lights out are semantically related In some cases you can use "Sack time" instead a noun phrase "Lights out".
Sack time
Lights out and sack time are semantically related in time for bed topic. You can use "Lights out" instead a noun phrase "Sack time".
Cite this Source
Sack time and Lights out. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/lights_out/sack_time
Lights out & Sack time. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/lights_out/sack_time>.
Sack time or Lights out. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/lights_out/sack_time.
Google Ngram Viewer shows how "lights out" and "sack time" have occurred on timeline