Sleep extension improves neurocognitive functions in chronically sleep-deprived obese individuals.

Background: Sleep deprivation and obesity, are associated with neurocognitive impairments. Effects of sleep deprivation and obesity on cognition are unknown, and the cognitive long-term effects of improvement of sleep have not been prospectively assessed in short sleeping, obese individuals.

Objective: To characterize neurocognitive functions and assess its reversibility.