Sleep deprivation may make people less generous
A lack of sleep depresses activity in brain regions linked to social behavior, brain scans show
![image of the face of someone sleeping in bed under a blue sheet](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/08/082322_sg_selfish-sleep_feat.jpg?fit=1030%2C580&ssl=1)
Poor sleep contributes to ill health, research has long shown. But sleep deprivation, which is chronic in the developed world, may also make people less likely to help one another, a new study suggests.
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