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 ...

The idea that women are naturally better multitaskers than men has become a cultural cliché, but a new study suggests that belief may not reflect a broad difference in multitasking ability after all.

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 ...