The Cleveland Clinic’s health blog takes a close look at all the ways insomnia can impact patients.

For some, insomnia makes it hard to fall asleep. Others go to sleep quickly but can’t stay that way. And some fall asleep, but not deep enough for good quality rest. The type of insomnia you have is based on how long you’re affected by it:

Acute insomnia typically doesn’t last long and often comes with big life changes.

Chronic insomnia generally lasts longer than three months and may need treatment.

One in four Americans experiences acute insomnia each year. It’s more common in women than men and more common in people over age 65. But many don’t know they have it, which is why it often goes undiagnosed and untreated.

Get the full story at health.clevelandclinic.org.