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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.
But the reason you feel groggy and under-rested when you wake up may actually be your bedtime routine. What you do before your head hits the pillow makes all the difference, especially when the ...
The hormone rises at bedtime, peaks in the middle of the night, and then decreases until it’s time to wake up. Supplemental melatonin may help this process, especially when used temporarily for ...
A person will typically feel groggy when awakened from this stage, and indeed, cognitive tests administered after awakening from stage 3 indicate that mental performance is somewhat impaired for periods up to 30 minutes or so, relative to awakenings from other stages. This phenomenon has been called "sleep inertia."
A circadian rhythm is an entrainable, endogenous, biological activity that has a period of roughly twenty-four hours. This internal time-keeping mechanism is centralized in the suprachiasmatic nucleus (SCN) of humans, and allows for the internal physiological mechanisms underlying sleep and alertness to become synchronized to external environmental cues, like the light-dark cycle. [4]
Waking up tired is often due to sleep inertia, but sleep environment and habits also play a part. ... Here, doctors provide tips for waking up refreshed. Skip to main content. 24/7 Help. For ...
Irregular sleep–wake rhythm disorder (ISWRD) is a rare form of circadian rhythm sleep disorder. [2] [3] It is characterized by numerous naps throughout the 24-hour period, no main nighttime sleep episode, and irregularity from day to day. [4]