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⬤ LOW 26 Sep 2026, 15:51 UTC

One Sleepless Night Mimics Intoxication and Raises Long-Term Dementia Risk

Inadequate sleep triggers bodily reactions akin to mild intoxication, forcing the brain into an energy-saving mode. This results in diminished concentration, slower information processing, and erratic emotional states. Sleep deprivation's toll extends beyond a single night, impacting cognitive function, hormonal balance, and overall physical health. Cognitive Impairment and Dementia Risk Insufficient sleep prevents the brain from effectively clearing metabolic byproducts. Therapist Alexandra Vishnyakova points out that this leads to mental fogginess, memory lapses, and slowed reaction times, which are particularly dangerous when driving. Psychologist Nadezhda Osipova warns that the brain, in its attempt to compensate for fatigue, overworks itself. This can result in emotional burnout by midday the following day. Psychiatrist-narcologist Anton Rudkovsky adds that prolonged wakefulness disrupts synaptic connections, potentially accelerating the development of cognitive decline and dementia in the long term.
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