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 ...

So why do so many of us still try to multitask? We’re too busy with too much to do and too little time to do it in. The temptation to accomplish multiple things at the same time is practically ...

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 ...

According to Very Well Mind, the significant cognitive costs of multitasking, revealing that our brains are not designed to efficiently handle multiple tasks at once. While many people believe that ...

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 ...