Trouble sleeping was the only symptom that predicted poor cognitive performance 14 years later when compared with other symptoms of insomnia, the study showed.

There is growing evidence linking insomnia and cognitive impairment in older adults, but interpreting these associations can be difficult based on an individual’s dynamics, the researchers said.

“By investigating associations between specific insomnia complaints and cognition, we hoped to gain additional clarity on how these different sleep problems may lead to poor cognitive outcomes,” said Afsara Zaheed, U-M psychology doctoral candidate and the study’s lead author.

Read the full article at Michigan News.