why do my nerves twitch all the time

Hepatorenal syndrome (HRS) is a type of progressive kidney failure seen in people with severe liver damage, most often caused by. As the kidneys stop functioning, toxins begin to build up in the body. Eventually, this leads to liver failure. There are two forms of HRS. Type 1 HRS is associated with rapid kidney failure and an overproduction of creatinine. Type 2 HRS is associated with more gradual kidney damage. It generally progresses more slowly. Symptoms are generally subtler. HRS is an extremely serious condition. Itвs almost always fatal. According to a study in, people with type 1 HRS have a median survival time of two weeks. Almost everyone with type 1 will die within eight to 10 weeks, unless a liver transplant can be performed urgently.

The median survival time for type 2 is six months.
A hypnagogic jerk is an involuntary muscle spasm that occurs as a person is drifting off to sleep. The phenomenon is so named in reference to the hypnagogic state the transitional period between wakefulness and. Hypnagogic jerks, are also commonly known as hypnic jerks or sleep starts. The muscle spasms may occur spontaneously or may be induced by sound, light or other external stimuli. Some people report hypnic jerks accompanied by hallucinations, dreams, the sensation of falling, or bright lights or loud noises coming from inside the head. [ Sleep starts are quite common, with some research suggesting that 60 to 70 percent of people experience them. Many individuals may be visited by nightly hypnic jerks without even knowing it, as the twitches often go unremembered, particularly if they don t cause a person to wake up.

Some scientists believe certain factors, such as stress, anxiety, fatigue, caffeine and , may increase the frequency or severity of hypnic jerks, but conclusive research is lacking on the subject. Intense physical activity or exercise in the evening may also contribute to increased hypnic jerks, said Michelle Drerup, a psychologist and behavioral sleep medicine specialist at the Cleveland Clinic s Sleep Disorders Center in Ohio. Researchers are also unsure why hypnic jerks occur, but a few theories exist. One hypothesis says that hypnic jerks are a natural part of the body s transition from alertness to sleep, and occur when nerves misfire during the process.

Another popular idea takes a more evolutionary approach to hypnic jerks, explaining that the spasms are an to the relaxation of muscles during the onset of sleep the brain essentially misinterprets the relaxation as a sign that the sleeping primate is falling out of a tree, and causes the muscles to quickly react. More often than not, hypnic jerks are completely normal and nothing to be concerned about, Drerup told Live Science. However, if the jerks themselves, or the anxiety you experience about having them, are, you should talk to a sleep specialist about your concerns. This article was originally published in 2013. Additional reporting by Senior Writer Laura Geggel. Original article on.

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