Overwork and little sleep can affect every aspect of our lives, from relationships, job performance and daily wellbeing to our fundamental health. A new study suggests that difficult and demanding work schedules also can contribute to obesity.

Researchers found that opting to delay bedtime in favor of studying was linked to an increased risk of both types of academic difficulty. And this was true regardless of the total amount of students' study time.

The Web is not a doctor. The Internet can deliver information with amazing speed and volume, but it can't listen to your child's heartbeat or look into your baby's eyes while engaging in a conversation about your newborn's sleep habits.

Researchers at Harvard Medical School investigated how a daily yoga practice might affect sleep for people with insomnia and found broad improvements to measurements of sleep quality and quantity.