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Meaning of sleep inertia
The primary meaning of "sleep inertia" refers to the feeling of grogginess and disorientation upon waking from sleep.
Etymology of sleep inertia
The term "sleep inertia" originates from the Latin words "somnus" meaning sleep and "inertia" meaning a tendency to remain in a state of rest.
The concept of sleep inertia has been recognized for centuries, but the term itself was first used in the late 20th century to describe the temporary cognitive impairment after waking.
Synonyms
drowsiness
grogginess
lethargy
fatigue
tiredness
exhaustion
somnolence
stupor
haze
fogginess
disorientation
confusion
bewilderment
perplexity
haze
torpor
languor
lassitude
weariness
heaviness
sluggishness
dullness
numbness
apathy
lethargy
malaise
sleepiness
doziness
torpidity
languidness
listlessness
inertness
stupification
Definitions
- The term "sleep inertia" is defined by Oxford Languages as a state of impaired cognitive function and grogginess immediately following awakening from sleep.
- It is characterized by a temporary decrease in alertness, memory, and decision-making skills.
- Sleep inertia can last from a few minutes to up to thirty minutes after waking.
Usage Examples
- After a short nap, I felt a strong sense of sleep inertia and needed a few minutes to refresh myself before returning to work.
- The feeling of sleep inertia was overwhelming, making it difficult for me to concentrate on my morning tasks.
- To minimize sleep inertia, it's recommended to establish a consistent sleep schedule and get at least 7-8 hours of sleep each night.