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 ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

We're all time-poor, so multitasking is seen as a necessity of modern living. We answer work emails while watching TV, make shopping lists in meetings and listen to podcasts when doing the dishes. We ...

Multitasking may give you the illusion that you’re getting more done. But it’s actually a poor tool for efficiency. Despite that — and after decades of ever-increasing expectations for productivity — ...

We’re all time-poor, so multi-tasking is seen as a necessity of modern living. We answer work emails while watching TV, make shopping lists in meetings and listen to podcasts when doing the dishes. We ...

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 ...