If you join one of the hundreds of ghost-hunting excursions offered around the country, you’re likely to encounter a slew of gadgets: EMF meters, REM pods, and spirit boxes galore. Do they do ...

You're more likely to wake up during REM sleep if the temperature of your bedroom environment is uncomfortable, particularly if it's warm. Cooling systems like the Eight Sleep Pod might help ...

While I'm a pretty solid sleeper on my own, the Pod 4 reminds me that the adjustments it makes on Autopilot often increase my REM sleep between 5 and 15% on any given night, which isn't too shabby.