Medically reviewed by Sanja Jelic, MD A multiple sleep latency test (MSLT), also known as a daytime nap opportunity study, is ...

Many teens have a hard time winding down at bedtime. This can prevent them from getting the recommended amount of sleep they ...

'Try the above for two weeks very consistently without giving up, and then reflect on your sleep. If it's better, carry on. If it's not, it’s a sign the broken nature is more engrained and you need a ...

"Irregular sleep patterns are also more likely to be ... "These pauses in breathing interrupt the normal sleep cycle causing disturbed sleep. This has been associated with increased insulin ...

A delay in getting to the rapid eye movement (REM) stage of sleep may be linked to Alzheimer's disease and related dementias, a new study indicates.

However, in large amounts, melatonin supplements may disrupt sleep cycles and cause other acute and chronic symptoms. While the body naturally produces melatonin, some people may take supplements ...

A healthy night’s sleep involves moving through different sleep stages and frequently waking up— though some people remember these awakenings while others do not.

Scientists have recently shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer’s disease.

Summary: Delayed rapid eye movement (REM) sleep may be an early indicator of Alzheimer’s disease. Researchers found that participants with delayed REM sleep had higher levels of toxic proteins ...

These nocturnal interruptions are apparently a normal part of the human sleep cycle, with most individuals ... health problems can impact your sleep patterns, often resulting in brief periods ...

Northumbria Centre for Sleep Research, Northumbria University, who says it's normal to wake up naturally throughout this cycle. There are a number of reasons why we might wake up in the night.