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 ...

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 ...

"Modern work environments are fast-paced, and employers value employees who can manage multiple tasks simultaneously. Learning to manage your time and be productive by multitasking is a great skill ...

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 ...

Does this describe you? While you are on a teleconference call you are writing up your quarterly report, checking your email, and texting your friend about where you are meeting for lunch. You would ...