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 ...

Forbes contributors publish independent expert analyses and insights. University Professor writing about how best to lead workplaces We live in a world that glorifies “busyness”. The ability to juggle ...

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 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 ...

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 ...

Multitasking usually lowers productivity because most people are “task switching,” which creates a mental “switch cost” that slows processing and reduces accuracy. Switching between tasks strains ...