How Sleep-Deprived Are You?

The amount of sleep you need may have little to do with the amount you actually get. Use our Sleep Diagnostic tool to determine whether you need more sleep.
The HealthCentral Editorial Team

Could you have sleep apnea?

Sleep apnea can be dangerous because it is associated with serious health conditions, such as heart disease. See if you have any of the signs or symptoms.
Allison Tsai

Is Your Diet Making You Tired?

According to a recent study, what you eat could be affecting how alert you are during the day. See if your diet is a culprit.
Allison Tsai

How much do you know about narcolepsy?

Narcolepsy is a chronic disorder that is characterized by the brain’s inability to control sleep-wake cycles. Although narcolepsy is not a rare condition, it is underdiagnosed and not well recognized.
Allison Tsai

Stress Test

Feeling stressed? Life has a way of weighing us down sometimes. Find your stress level by checking the events you have experienced in your life in the last year.

Do You Know the Risk Factors for Insomnia?

Studies estimate that between 25 to 33 percent of adults experience some insomnia each year. In spite of this widespread problem, however, studies suggest that only about 30 percent of American adults who visit their doctor ever discuss sleep problem...

Do You Know Your Sleep Comfort Zone?

How well you sleep depends a great deal on how deep you’re into your comfort zone. Take this quiz to see if you know what matters when trying to get a good night’s sleep.

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