23601879 Bilder zum Thema "Schlafforschung" bei ClipDealer

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cute tired schoolkids in eyeglasses sleeping on table with books in library
Sleep clears the Mind
tired classmates in eyeglasses sleeping on table with books in library
The figure of the human brain lies on sheet of paper, where the drawn curve recorded electroencephalogram (EEG). Illustration or picture of neuronal brain activity to use in neurology and neuroscience
high angle view of tired schoolkids in eyeglasses sleeping on table with books in library
Tablet with the diagnosis sleep disorder on the display
I read you a story, now go to sleep.
schoolboy sleeping in class
Student preparing for exams at home in bedroom lying on the bed
schoolgirl sleeping in class
Young student preparing for exams at night at home
Student preparing for exams at home in bedroom lying on the bed
Woman Falling to sleep
Student preparing for exams late night at home
Student preparing for exams at home in bedroom lying on the bed
Researcher sleeping at workplace.
Young student reading book in bed
Thre female researchers carrying out research in a chemistry lab
Student preparing for exams late night at home
home office under the coronavirus outbreak
woman sleeping on work in the office desk with clock
Spend on research
Student preparing for exams at home in bedroom lying on the bed
Handsome young man sleeping in library
Young female student preparing for exams late at home
Young man fallen asleep after long reading
A young girl covers her face with her hands. She is tired of studying and worries about exams. Need to prepare and learn, but she has no strength
Young man sleeping on books
Sleeping schoolgirl.
Sleep Apnea Diagnostic medical device Kit attached to the finger and the human nose, which lies in bed
Sleeping at the library.
Back to school. Tired little child girl sleeping on the desk while doing homework. Education learning concept
Beautiful woman sleeping on the table
Sleeping young woman
young scientist sleeps in lab chemical experiments
Student preparing for exams at home in bedroom lying on the bed
Tiredness
Sleep Apnea Diagnostic medical device Kit attached to the finger and the human nose, which lies in bed
Woman sleeping at the library desk
Woman sleeping at the library desk
Sleeping Dog
student or woman with books sleeping in library
Sleeping at the library.
business woman sleeping on laptop
Sleeping at the library.
Laboratory
Tired dog asleep
exams and school concep
Scientist sleeps at work in the lab

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