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.Subscribe to LIGA PRO to read this article. Go to the full version of the page.