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Morning people may have lower breast cancer risk

Morning people may have lower breast cancer risk

Could being a morning or an evening person be a risk factor for breast cancer? A large study suggests that women who are morning people could be at lower risk. New research suggests that women who find it easier to wake up early in the morning may have a lower risk of developing breast cancer. […]

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What are the perks and problems of being a night owl?

What are the perks and problems of being a night owl?

In the collective imagination, night owls are free, creative spirits. Yet studies have shown that people who are more active at night face greater health risks. Do night owls experience more benefits or risks due to their rhythms? This Spotlight feature tackles this and related questions. What health risks do night owls face, and why? […]

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Causes of vivid dreams

Causes of vivid dreams

Many things, such as sleep deprivation and alcohol consumption, can cause vivid dreams. Certain sleep disorders may also make vivid dreams more likely. Everyone dreams but not everyone remembers doing so. People tend to spend about 2 hours each night dreaming. Sleep and dreams are complex and remain a mystery to scientists. What we do […]

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Regular sleep schedule likely benefits metabolic health

Regular sleep schedule likely benefits metabolic health

Having a regular pattern of going to bed and waking up could be protective of metabolic health. A new study has linked the habit to a lower chance of developing risk factors that make up metabolic syndrome, such as high blood pressure, obesity, and high cholesterol. Having a regular sleep pattern can keep metabolic syndrome […]

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Is hair loss a side effect of Adderall?

Is hair loss a side effect of Adderall?

Adderall is a combination of the stimulant drugs amphetamine and dextroamphetamine. Doctors prescribe it for the treatment of attention deficit hyperactivity disorder (ADHD) and narcolepsy, and they sometimes use it off-label for other conditions. Although taking Adderall can cause hair loss in some people, this is a relatively uncommon side effect. Some people misuse Adderall […]

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What to know about deep sleep

What to know about deep sleep

Slow wave sleep, also called deep sleep, is an important stage in the sleep cycle that enables proper brain function and memory. While most adults are aware that they should aim for between 7 and 9 hours of sleep each night, the science of sleep is quite complex. The two main categories of sleep are […]

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Why do people laugh in their sleep?

Why do people laugh in their sleep?

Laughing during sleep, or hypnogely, is relatively common and is not usually anything to worry about. In most cases, researchers believe that the cause is laughing at a dream during rapid eye movement sleep, which is entirely harmless. In some cases, sleep laughing has links to sleep disorders. In rare cases, hypnogely can be a […]