A trip to Mars involves all kinds of challenges for the human body. It would take over a year just to get there and back. How will astronauts' bodies cope in terms of sleep cycles?

Sleep problems should be taken seriously because they can lead to so many other health conditions. But these disorders appear to act differently in women and in men.

People with sleep problems may be more likely to develop dementia. A recent study found that taking a sleep med for a long time ups the risk.

It may seem reasonable to regularly swig a Red Bull if you're deployed in a war zone. You would expect them to help you stay alert. But drinking too many energy drinks may backfire.

If you're finding it hard to rouse your teen from bed in the morning, you're not alone. Excessive sleepiness appears to be a trend among teenagers.

When snoring indicates someone has sleep apnea, it's more than annoying. It can be harmful to your health — especially if you already have high blood pressure.

Hit the snooze button, kids. It's important for the hard working athletes, too. The extra Z's may help them from getting hurt on the field or the court.

A child's sleeping difficulties aren't fun for anyone. But they're important to address. Sleep is linked to other health issues.

A small percentage of the population snores even without having an underlying sleep problem. But a woman who starts snoring during pregnancy may want to talk to her doctor about it.

It's an awards night on TV, and your child wants to stay up until the end. Will losing just a half hour or hour of sleep make that much of a difference? Maybe.