Sleep trackers — wearable devices that monitor all your vitals — provide detailed summaries of your sleep cycle so you know ...

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

It wakes me in between REM sleep cycles so the alarm isn't as jarring and I feel better rested. Follow BI Video: On Twitter More from Strategy I've been using the Sleep Cycle app for a few months ...

During REM sleep, your heart rate increases, your blood pressure elevates, and your eyes move. REM sleep may also be the time when your brain processes emotions and solidifies memories.

Nox senses when you're at the lightest point in your sleep cycle so that you're not jerked out of deep REM sleep. How Nox wakes you up is the fun part. In addition to "natural" light emulating the ...

Scientists have long noted eerie parallels between psychedelic trips and rapid eye movement (REM) sleep, the stage during which you dream. Some even suggest psychedelics could induce a “waking ...

when waking up with the Smart Alarm versus a traditional alarm. That said, I also didn't feel like I woke up during deep sleep/REM at any point in the last week, so maybe the feature is working ...

Scientists think that deep sleep and rapid eye movement (or REM) sleep are particularly influential when it comes to brain health and dementia risk. A study published last month on people with ...