"Anxiety and insomnia are bad bedfellows; they often coexist," said Todd Arnedt, associate professor of psychiatry and neurology at Michigan Medicine, a health care facility at the University of Michigan, and director of the Behavioral Sleep Medicine Program.

This matter can feel worse in the first few days after Daylight Saving Time, when a form of jet lag can set in if you already struggle with falling asleep and your body now has to readjust to nodding off at a different hour, said Dr. Meir Kryger, professor of pulmonary medicine and clinical professor of nursing at Yale School of Medicine.

About 35% of Americans experience severe insomnia each year, according to a 2018 study from the University of Pennsylvania's School of Medicine. Many insomnia cases are attributable to generalized anxiety disorders, post traumatic stress, depression or terrible nightmares, Kryger said. But some people have trouble falling asleep because of behaviors that keep them awake, such as reading or watching something exciting before bed, or agonizing about not being able to sleep.

Read the full article at CNN.