Sleep deprivation hits some brain areas hard
Some regions resist drowsiness, while others falter without slumber
![sleep-deprived people](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/08/081116_re_sleep-story_free.jpg?fit=860%2C460&ssl=1)
SLUGGISH Brain regions involved with problem solving are especially slow to respond when sleep-deprived, a new study shows.
Stock-Asso/Shutterstock