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 ...

First, you'll want to make sure all the devices involved in your bedtime routine are connected to your Alexa app, so they'll ...

I don't typically use alarms because I hate being jolted out of REM sleep, as if the noise punched me awake and left me ...

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.

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 ...