A lack of sleep can induce anxiety
Brain activity is altered in people spending the night awake
![sleepless woman](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/11/110618_ls_sleep-axiety_feat_free.jpg?fit=860%2C460&ssl=1)
TOSSING AND TURNING A sleepless night led to higher anxiety levels in healthy people, as well as brain changes that mirrored those in people with anxiety disorders.
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