Kalachi, formerly Kalachevskiy, is a small settlement located within the borders of Esil District in the Akmola Region of Kazakhstan. There is a situation that makes this small and quiet village in Kazakhstan unusual: For years, the villagers have been falling asleep suddenly and not waking up for days.
Permanent damage may occur to the memory of those who wake up during this mysterious sleep state. Some families worry that they may have to go to the hospital at any time because of these unexpected sleep attacks. “sleeping bags” They prepare it and keep it with them.
In children, sometimes instead of excessive sleep hallucinations is seen. Although food, water sources and other potential causes in the village have been rigorously tested, the source of this mysterious disease remains unsolved. Even a villager speaking to Siberian Times said, A person who was mistakenly buried as dead at the beginning of the disease is actually still alive states.
Kalachi Syndrome: The Mysterious Sleeping Sickness in Kazakhstan
Kalachiwhich emerged in Kazakhstan and is popularly known as “sleeping sicknessIt is a mysterious condition known as “. This disorder causes the person to sleep for days or weeks, with symptoms such as hallucinations, nausea, and feeling drunk. The incident was reported only in Kalachi and nearby villages of Krasnogorsk.
This syndrome, which was first noticed in March 2013, affected approximately 150 people by 2016. of the syndrome it is not contagious has been observed. However, it has been revealed that approximately one fifth of the village population has this disease known as sleeping syndrome and more than half of the village population is planning to move.

Possible Causes of Kalachi Syndrome
Although the cause of the syndrome is not fully known, carbon monoxide poisoning And contamination of groundwater with chemicals Theories such as these are put forward. An abandoned Soviet-era building located near Kalachi uranium mineIt is thought that n causes gases such as carbon monoxide to leak into the air of the village. Alternatively, it has been suggested that chemicals used in military operations in the region pollute groundwater, causing the disease.

Signs and Symptoms
Kalachi Syndrome, It brings with it many symptoms other than excessive sleepiness. People experiencing the disease hallucinations may experience discomfort such as nausea and vomiting. Some patients have difficulty perceiving events around them, acting as if they were drunk, and amnesia they live. In particular, it was stated that they experienced unreal feelings as if “a snail was walking on their face”. Prof. from Tomsk Polytechnic University. Leonid Rikhvanov stated that these symptoms may be associated with underground gases such as radon gas.

Impact on Daily Life
People affected by the syndrome may suddenly fall asleep and feel constantly sleepy while continuing their normal daily activities. A local nurse summarized this situation as follows: “When you wake them up, they can talk to you and answer questions. But the moment you stop talking, you realize they want to go back to sleep.”
Theories on the Cause of Kalachi Syndrome
Carbon Monoxide Theory
Kazakhstan authorities point to an abandoned Soviet-era uranium mine near the village as the cause of the disease. It is thought that this mine caused carbon monoxide and other hydrocarbons to leak into the atmosphere, thus poisoning the people in the village.

Chemical Contamination Theory
According to another theory, the cause of the disease is that the underground water source in the region is contaminated with chemicals. A group of epidemiologists from Nazarbayev University in Astana put forward this hypothesis after interviews with villagers. It is thought that chemicals used especially during military operations may have leaked into the groundwater. However, no clear determination has been made as to which these chemicals are and it has been emphasized that further research is required.

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