Pink noise — low-frequency broadband noise often used in sound machines and sleep apps — is associated with a decrease in REM ...

Enabling this iPhone feature has helped me get better sleep over the past five years, and I especially love using it when travelling.

A Penn Medicine study challenges sound machine benefits, finding that "pink noise" disrupts deep sleep and REM cycles, while earplugs are proven more effective.

Pink noise is different. Instead of equal energy at each frequency, the energy halves with every doubling of frequency (so ...

Get tracking, temperature regulation, and other smart features without the hassle or investment of a smart bed.

Even a few nights with insufficient sleep promote molecular mechanisms linked to a greater risk of heart problems. This has been shown in a new study in which the researchers investigated how sleep ...