Those who regularly went to bed after 1 a.m. were ... What about people — like shift workers — who have to go to bed after 1 a.m.? This can all sound pretty disheartening, especially if ...

The body's internal clock often induces people to go to bed before midnight. (Getty Image) ...

As an adult, there’s no set rule that states that one has to go to bed by this time. And that sort of has messed our sleeping schedules up. Now, the most common pattern we’ve acquired is ...

If you regularly go to sleep after midnight ... “If, on average, people are healthier and happier when they consistently go to bed before midnight, it's likely because people, on average ...