Model released: Insomnia: multiple-exposure shot of a restless woman trying to sleep. Insomnia is a condition of perpetual tiredness, caused by an ina

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Model released: Insomnia: multiple-exposure shot of a restless woman trying to sleep. Insomnia is a condition of perpetual tiredness, caused by an inability to sleep or an inability to sleep for an adequate length of time. Although insomnia may be related to some illnesses, it is far more likely to be caused by anxiety or the abuse of drugs or alcohol.

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Size: 3543px × 3533px
Photo credit: © SHEILA TERRY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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