sleep inertia

noun

The feeling of temporary disorientation and decline in mental or physical performance after waking up.

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Meanings

nounsleep inertia (uncountable)
  1. uncountablemedicineThe feeling of temporary disorientation and decline in mental or physical performance after waking up.
Cite this entry
APA

sleep inertia. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sleep%20inertia

MLA

“sleep inertia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sleep%20inertia. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “sleep inertia,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sleep%20inertia.

Source: sleep inertia on Wiktionary, CC BY-SA 4.0.