Stanford University
This trial will examine scheduled exposure to bright light in the morning and afternoon as a countermeasure to sleep fragmentation in older individuals with mild cognitive impairment.
Inclusion Criteria: * Mild Cognitive Impairment * Age \>65 Exclusion Criteria: * Severe depression * Unstable psychiatric or medical disease * Acute infection
One hour of exposure to bright light, either by being outdoors or with a phototherapy lamp if indoor