The ideal room ... sleeping temperature. This restless sleep in a hot room could be caused by a decrease in your slow wave sleep or rapid eye movement (REM) sleep. Too much humidity, in addition ...

No need to sign up or create passwords – download the app, pair and you’re ready to read the room (temperature and humidity of course; this device won’t help you with social cues).

It can also be easily deduced by reading a Psychrometric Chart, such as the one shown below. For example, an air temperature of 104 degrees Fahrenheit (40 degrees Celsius) and a relative humidity ...