Spain is a country known for its long workday -- typically ending at 7 p.m. -- with a two-hour break in the afternoon to make up for it. These siestas are a time for Spaniards to eat a good meal and ...

Napping isn’t just for your grandpa anymore. Sleep-deprived Americans are increasingly turning to the power nap and afternoon siesta to restore alertness and enhance performance, studies show. And ...