Rest disturbances and intellectual decrease are typical in older grownups. We aimed to research the results for the sleep that is total (TST) and sleep вЂ“ wake rhythm on executive function and dealing memory in older grownups. In 63 older individuals, we measured the TST, wake after rest beginning (WASO), and rest timing (midpoint between bedtime and wake-up time) utilizing actigraphy. Executive function ended up being assessed using the path making test B (TMT-B) and Wisconsin card sorting test (WCST). The amount of straight straight back task (N-back task) ended up being utilized to determine working memory.