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It may feel like grogginess, sluggishness, drowsiness, and trouble thinking clearly while your body and brain wake up. Is sleep inertia a good thing? Sleep inertia is normal and healthy, says Gowda.
Sleep inertia is a physiological state of impaired cognitive and sensory-motor performance that is present immediately after awakening. It persists during the transition of sleep to wakefulness, where an individual will experience feelings of drowsiness, disorientation and a decline in motor dexterity.
6 Reasons You Might Be Tired All the Time. While it is normal to feel tired, sometimes it can be something more serious. In fact, fatigue is a key symptom of the following health conditions. 1 ...
For women, feeling tired can also be tied to your menstrual cycle, with some feeling particularly exhausted during the luteal phase, aka the run-up to your period when you experience premenstrual ...
Advanced sleep phase disorder (ASPD) – A condition in which patients feel very sleepy and go to bed early in the evening and wake up very early in the morning; Delayed sleep phase disorder (DSPD) – Faulty timing of sleep, peak period of alertness, the core body temperature rhythm, hormonal and other daily cycles such that they occur a ...
Insufficient quality or quantity of night time sleep [5] Obstructive sleep apnea [6] Misalignments of the body's circadian pacemaker with the environment (e.g., jet lag, shift work, or other circadian rhythm sleep disorders) [7] Another underlying sleep disorder, such as narcolepsy, sleep apnea, [8] idiopathic hypersomnia, or restless legs syndrome
“More than that can cause you to wake up feeling fuzzy or too groggy.” This feeling, also known as sleep inertia, can affect your attention and thinking. 4.
As a consequence, it causes a jerk to wake the sleeper up so they can catch themselves. [11] A researcher at the University of Colorado suggested that a hypnic jerk could be "an archaic reflex to the brain's misinterpretation of muscle relaxation with the onset of sleep as a signal that a sleeping primate is falling out of a tree.