What can long-term sleep deprivation result in?
(Отметьте один правильный вариант ответа.)
Варианты ответа
Long-term sleep deprivation causes various virus infections.
Long-term sleep deprivation causes backache.
Long-term sleep deprivation causes RSI.
Long-term sleep deprivation causes drowsiness, difficulty concentrating, and depression of the immune system. (Верный ответ)