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Sleep Latency
Sleep latency is the amount of time it takes a person to fall asleep after going to bed. Long or short sleep latency might be a sign of sleep problems....
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The Best Sleep Schedule for Babies: 0-3 Months
What is the best newborn sleep schedule? We consulted peer-reviewed research to determine the healthiest sleep patterns for babies - 3 months....
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Testosterone and Sleep
Most natural testosterone is made in the body during sleep. Learn how low testosterone and sleep problems affect each other and how you can improve both....
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Alcohol and Sleep
...it exerts a number of biochemical effects that tend to lead to poorer sleep. Understanding the effects of alcohol on sleep is the first step toward preventing alcohol-related sleep problems....
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Apnea-Hypopnea Index (AHI): How Sleep Apnea is Measured
The apnea-hypopnea index is a number that speaks volumes about a person’s nighttime breathing. We’ll help you understand how it’s measured and what it means....
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Sleep Deprivation: Definition, Symptoms, & Effects
Sleep deprivation is a common and impactful public health problem. Learn more about how lack of sleep and poor sleep quality can affect health and safety....
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How to Reset Your Sleep Schedule
Is your sleep schedule out of whack? Learn tips for resetting your sleep schedule and reaping the benefits of consistent sleep....
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Sleep Benefits of Exercise
Exercise is a popular way to treat sleep problems. But does working out before bed really improve your sleep? Find out how exercise impacts sleep....
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Circadian Rhythm
The body’s circadian rhythms determine when we feel sleepy and when we’re ready to be active. Learn how to harness the power of your circadian rhythms....
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Hypersomnia: Symptoms, Treatment & Causes
Learn about the different types of hypersomnia and what makes this sleep disorder distinct from regular sleepiness....