"Deep sleep builds your immune system, and REM sleep regulates and fine-tunes it," says Darwall-Smith agrees. During deep ...
In both teens and adults, we found that insomnia and shortened sleep may lead to elevated stress, hormone levels and ...
Adults ages 18 to 60 need at least seven hours of sleep per night, according to the Centers for Disease Control and ...
Most people spend a third of their lives sleeping, but you may need more or less than eight hours a night. The amount of ...