Ukrainians have been living in a state of prolonged stress for the fourth year now – with night alarms, shelling, constant tension, and instability. Sleep, which should restore the nervous system, turns into another problem: we wake up already exhausted, with "brain fog" and a lack of energy. Neuropsychologist Olga Dragovoz explains: LIGA.net explains which habits most often ruin a night's rest and why the consequences of poor sleep affect concentration, decisions, and emotions from the very morning.

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