The U.S. Army has finally relieved of us of that nagging midmorning dilemma, the one in which you debate: Should I have another cup of coffee? Caffeine stimulates the central nervous system, making ...

Every leader, manager, and safety professional I know hopes to see a higher level of worker awareness. But despite these wishes, there doesn’t seem to be a bull market in “awareness.” In fact, the ...

A new study says there is a right time to drink coffee so it's most effective. U.S. Army researchers created a computer algorithm that studies sleep patterns to make recommendations about coffee ...

Given that our level of alertness varies throughout the day, it only makes sense that we should avoid performing attention-demanding tasks when we're at our drowsiest. An experimental new Android app ...

Our level of alertness rises and falls over the course of a workday, sometimes causing our energy to drop and our minds to wander just as we need to perform important tasks. To help understand these ...

Caffeine is a stimulant and the most commonly used drug in the world. Benefits can include increased alertness, energy, and concentration. However, it can also lead to insomnia and headaches. Every ...

As smartwatches have gotten better at measuring vitals and exercise statistics, there's been more emphasis on how they can be used to improve our sleep and mental wellbeing. Watchmaker Citizen is the ...