Polar night syndrome threatens Ural residents in the fall, many people experience increased sleepiness and loss of energy. This happens due to a reduction in daylight hours, which affects hormones and reduces the production of serotonin: people get tired faster and remember information worse. Experts link these symptoms to the "polar night syndrome". At risk are the elderly, schoolchildren and students. Read how to deal with it on our website.

Polar night syndrome threatens Ural residents in the fall, many people experience increased sleepiness and loss of energy. This happens due to a reduction in daylight hours, which affects hormones and reduces the production of serotonin: people get tired faster and remember information worse. Experts link these symptoms to the "polar night syndrome". At risk are the elderly, schoolchildren and students. Read how to deal with it on our website.