According to the American Academy of Sleep Medicine, roughly 30% of adults in the US have symptoms of insomnia, and 50 to 70 ...

Sleeping a solid 8 hours isn't the whole story and the quality of your sleep might matter more. But what does sleep quality mean and how can we measure it?

Sleep headbands track brain activity by using a technology called electroencephalography (yes that's a mouthful so we call it EEG). This technology detects electrical signals produced by the brain ...

To address these challenges, S'UIMIN Inc., a startup originating from the University of Tsukuba, has developed self-applicable, in-home sleep EEG devices capable of providing clinical-grade sleep ...

Researchers from University of Tsukuba have identified significant discrepancies between subjective and objective assessments of sleep. The study revealed that 66% of individuals who perceived their ...

For humans this happens chiefly during deep sleep, stages 3 and 4, which differ in the percentage of brain activity that’s composed of big, rolling delta waves, as measured on an EEG.

During non-REM sleep, participants received auditory cues to reinforce positive memories and reduce negative ones.

Last week in Healthbeat 4, Jessica Bowman showed you the first step to take if you believe you’re at risk of sleep apnea. Now ...

A new study showed that people who took longer to enter this dream phase of sleep had higher levels of amyloid beta and tau, ...