Withings Aura
TECH SPECS 
DescriptionWithings Aura is a well thought-out active system designed to both monitor and improve sleep quality through the combined use of a contact-free Sleep Sensor tucked under the mattress, an active light and sound Bedside Device, and a smartphone app.
BatteriesRechargeable via USB
ConnectivityWiFi, Bluetooth
DisplaySmart time display (smoothly disappears during sleep)
Brightness adapts to user settings and ambient light levels
Other
METRICS 
Sleep durationYes
Sleep stageslight, deep, and REM sleep
Sleep interruptionsYes
Time to fall asleepYes
Heart rateYes
Room environmenttemperature, light, sound level
Smart alarmYes
OtherSound and music programs
Wake-up program: Progressive blue light sequence emulates sunrise and suppresses melatonin
Fall asleep program: Progressive red light sequence emulates sunset and is free of melatonin-inhibitors
LINKS 
Affiliate link*Amazon | Withings
Read moreArticle
*Disclosure: We are a professional review site that receives a small commission from sales of certain items, but the price is the same for you. See our affiliate disclosure page for more details.
**All tech specs and images on this page come from manufacturers. These may change over time as manufacturers sometimes update their devices. While we cannot guarantee absolute accuracy of information on this page, we promise to review this content regularly and do our best to bring you the most up-to-date information. To be absolutely sure of tech specs of a particular device, we recommend checking the manufacturer’s website.