Κουρασμένο σχολικό παιδί κρατώντας τα χέρια στο κεφάλι, ενώ κάθονται στο γραφείο και να κάνει σχολικές εργασίες στο σπίτι - Φωτογραφίες & Εικόνες Αρχείου

Unhappy young woman feeling pain overworked for creating coursework project using laptop computer and books, sad female student holding head in hands because of headache while studying in campus

Exhausted female student wear in spectacles for vision correction doing homework in coffee shop reading textbook, tired woman sitting at desktop with book and laptop preparing for college examination

Focused young businesswoman studying online, watching webinar, podcast on laptop, making notes, sitting at work desk. E-learning concept.

Students have headache, stress, worry about learning at home. Education concept.

Focused teenage girl taking notes and studying at desk

Young woman suffering from headache while sitting and using laptop at home

Young businesswoman suffering from headache while working with laptop

Overworked adult businesswoman with headache sitting at office

Diseased adult businesswoman sitting at workplace and looking at electric thermometer

Exhausted adult businesswoman with headache touching her head while sitting at office

Young woman with headache looking away while working with laptop at home

Overworked adult businesswoman with headache sitting at workplace

Young businesswoman suffering from neck pain while working with laptop