alertness

Although ostriches have excellent self-defense abilities, why do lions, the top predators on the African grasslands, rarely eat ostriches?

Scientists discovered the ability of memory, alertness, concentration, and mental activities of humans to peak at the end of the morning.

Scientists claim to have found a switch

Chewing gum improves the ability to think and maintain alertness, according to research by Japanese scientists.

It's no surprise that coffee is popular all over the world, but the caffeine in this favorite drink only works for 10 minutes.

Too indulging yourself with a 'smooth' nap routine will cause your body to face unpredictable health warnings.