Sleepless and Sentient

Sleepless

Sleepless adjective - Not sleeping or able to sleep.

Sentient and sleepless are semantically related. In some cases you can use "Sentient" instead an adjective "Sleepless".

Nearby Words: sleep, sleepy, sleeping, sleeplessness

Sentient

Sentient adjective - Having specified facts or feelings actively impressed on the mind.

Sleepless and sentient are semantically related. Sometimes you can use "Sleepless" instead an adjective "Sentient".

Nearby Word: sentience
Cite this Source
Sentient and Sleepless. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/sleepless/sentient
Sleepless & Sentient. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/sleepless/sentient>.
Sentient or Sleepless. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/sleepless/sentient.
Google Ngram Viewer shows how "sleepless" and "sentient" have occurred on timeline