Overview. While the rest of the world is sleeping, some people remain wide-awake due to insomnia. It's the most common sleep-related problem, with about one-third of adults experiencing insomnia symptoms at any given time. Up to 10 percent have insomnia severe enough that it's considered a full-fledged disorder.

Is it normal to have random sleepless nights?

According to the Cleveland Clinic, approximately 50 percent of adults experience occasional insomnia. One in 10 people report having chronic insomnia. Insomnia can affect anyone, but it's considerably more common in women and older adults. It can last a few days, weeks, or continue long term.

Why are my nights sleepless?

It's usually the result of stress or a traumatic event. But some people have long-term (chronic) insomnia that lasts for a month or more. Insomnia may be the primary problem, or it may be associated with other medical conditions or medications. You don't have to put up with sleepless nights.