Sleep inertia is the groggy, disoriented feeling upon waking, especially from deep sleep. It typically lasts a few minutes to half an hour. Waking at the end of a sleep cycle can minimize its effects.
Sleep inertia is the groggy, disoriented feeling upon waking, especially from deep sleep. It typically lasts a few minutes to half an hour. Waking at the end of a sleep cycle can minimize its effects.