Researchers at the University of Tsukuba have discovered that the so-called "multi-task exercise," which combines cognitive activity with physical movement, enhances sleep quality in older women by ...

As people age, multitasking can start to feel more challenging, in part because additional factors may make it harder to ...

Tsukuba, Japan—During deep sleep, brain wave amplitude increases, and "δ (delta) power," a key objective indicator of sleep quality, is observed; higher delta power corresponds to deeper, more ...