Boční pohled na znechuceného studenta v neformálním oblečení, opírajícího se o hlavu se zavřenýma očima před notebookem a šálkem kávy v jídelně - Stock fotografie a obrázky

Unhappy male freelance IT professional feeling puzzled on program data code for laptop application working remotely on deadline project, tired Caucasian graphic designer watching designed video

Sad and thinking programmer in red shirt working on laptop inside office, mature man with beard.

Unhappy male freelance IT professional feeling puzzled on program data code for laptop application working remotely on deadline project

High angle view of concentrated young man in eyeglasses working with desktop computer at home office

Tired disappointed male student stressed with deadlines of project reading mail on laptop computer, young hipster guy feeling headache pondering on problem solution with banking credit online

Businessman feeling headache while doing distance work in coffee shop tired with failure of plans, male entrepreneur overworked solving problems with startup project exhausted with hard schedule.

Remote job, technology and people concept - tired young man in glasses with laptop computer working and rubbing his nose bridge at home office

Tired sad male student with closed eyes upset with education problems preparing for exams, exhausted hipster guy overworked in coworking space sitting with coffee for completing before deadlin

Young ethnic male student in casual clothing rubbing head and frowning while intensively studying flashcards on laptop from street cafe

Young tense male thinking while looking at laptop and sitting in armchair with notebook and phone at table in cafeteria

Upset young man with eyeglasses in hand reading business news on website on modern mobile phone using free 4G internet sitting at laptop computer.Pensive hipster guy received warning message from bank

Upset bearded business man putting hands on head and looking at laptop while sitting at table in workplace in office

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Concentrated bearded young businessman reading notification with financial news on smartphone using free 4G internet.Pensive hipster blogger messaging on cellular while sitting at laptop computer

Sad male freelancer in eyewear for vision protection working overtime on laptop computer before deadlines, tired hipster guy feeling headache because of problems with online project on netbook