Teenage sleep research. Researcher analysing the results of a sleep study on teenagers. Each teenager was fitted with an actigraph - a device worn on

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Teenage sleep research. Researcher analysing the results of a sleep study on teenagers. Each teenager was fitted with an actigraph - a device worn on the wrist that recorded their movements during sleep. Photographed in Massachusetts, USA.

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Size: 5157px × 3425px
Photo credit: © THIERRY BERROD, MONA LISA PRODUCTION/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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