Jul 8, 2024 · Sleep inertia is the transitional state you experience when you aren’t asleep … but definitely aren’t awake yet either. Your body’s been at rest. And it’s fighting to stay that way. …

Jul 10, 2025 · Sleep inertia is the groggy feeling upon waking, caused by abrupt disruption of sleep. Sleep inertia can briefly impair cognitive and physical function before fading as you gain alertness. …

Sleep inertia is a physiological state of impaired cognitive and sensory-motor performance that is present immediately after awakening.

Feb 27, 2024 · Sleep inertia is the term used to describe the groggy feeling when you wake up. Some people can't shake that feeling for a long time after waking.

Jun 12, 2025 · Sleep inertia occurs when your body is fighting to stay asleep when you want it to wake up. It generally feels like a temporary disorientation and drop in performance or mood after you wake …

“Sleep inertia” refers to the transitional state between sleep and wake, marked by impaired performance, reduced vigilance, and a desire to return to sleep. The intensity and duration of sleep inertia vary …

Dec 20, 2025 · Sleep inertia is when you feel groggy and slow after waking up, and it usually lasts about 30 minutes. People who are sleep-deprived, do shift work, or have sleep disorders might experience …

Mar 30, 2026 · Learn the symptoms of sleep inertia and how it can make it even harder to wake up. Get tips on how to avoid it and find helpful cures and treatments.

Mar 22, 2026 · Sleep inertia is a common symptom of idiopathic hypersomnia (IH). With sleep inertia, you feel very groggy and out of sorts when you wake up. It usually happens after you’ve been asleep …

What is sleep inertia? Sleep inertia is the period after waking where you feel groggy, disoriented, drowsy, and cognitively impaired, making it difficult to get out of bed. It happens when you’re …