Sack out
Sack out verb - Prepare for sleep.
Yawn and sack out are semantically related. in suspend consciousness topic. In some cases you can use "Yawn" instead a verb "Sack out".
Yawn
Yawn verb - Utter a yawn, as from lack of oxygen or when one is tired.
Cite this Source
Yawn and Sack out. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/sack_out/yawn
Sack out & Yawn. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/sack_out/yawn>.
Yawn or Sack out. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/sack_out/yawn.
Google Ngram Viewer shows how "sack out" and "yawn" have occurred on timeline