Day-Time Dysfunction

Last Updated: August 6 2021

A measure taken along with sleep evaluations to indicate how impaired and dysfunctional people are due to inadequate sleep.

Examine Database
What works and what doesn't?

Unlock the full potential of Examine

Get started

Don't miss out on the latest research

Become an Examine Insider for FREE to stay on top of the latest nutrition research, supplement myths, and more