Knowledge Center

Was it lack of REM sleep, induced by a drug, that killed Michael Jackson?

In the wrongful death case filed by Michael Jackson’s family, it has been hypothesized that death may have occurred due to the medication Propofol, which decreases REM sleep.

REM sleep is also known as paradoxical sleep because, of all the stages of sleep, it most resembles wakefulness. We know that most, but not all, dreaming occurs during REM (rapid eye movement) sleep. Many theories abound as ...

But parents should still try to correct bad sleep habits, expert says.

A new study of twins suggests that genes may play a big role in how long babies and toddlers sleep at night, while environment is key during nap time.

Researchers found that among nearly 1,000 twins they followed to age 4, genes seemed to explain much of the difference among youngsters’ nighttime sleep habits. In contrast, napping seemed mainly dependent on the environmental setting — especially for toddlers and preschoolers.

So ...

Study finds association between more shuteye, healthier weight.

The more sleep teens get, the less likely they are to be overweight, a new study finds.

Researchers followed more than 1,000 Philadelphia-area teenagers from their freshman through senior years of high school. Every six months, the teens reported their sleep patterns.

The results showed that each additional hour of sleep per night was associated with reduced body-mass index (BMI), a measure of body fat based on height and weight. The reduction was greatest in ...