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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.
“Diet is very important, and sometimes forgotten as the reason why people may feel tired all the time,” says Eric Ascher, D.O., a family medicine physician at Lenox Hill Hospital in New York City.
It might seem counterintuitive to set your alarm for 6 am instead of 6:30 am if you’re feeling groggy in the mornings, but taking 30 extra minutes to shower, sip a hot beverage, or engage in ...
People don’t feel like they are asleep until they have reached deeper, slow-wave sleep in stage three. “Your brain is still alerting you to the world around you when you’re in stage-two ...
A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.
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."
Feeling unrested when it’s time to get up and start your day The effects of not getting enough sleep can bleed into your daily life. If you feel very tired during the day , it can be challenging ...
Individuals who feel sleepy and wish to maintain alertness often consume over-the-counter stimulants such as caffeine in coffee. More specifically, it has been shown that high-frequency low-dose caffeine intake is effective at countering poor work performance effects due to extended wakefulness, confirming the hypothesis that adenosine is a ...