Having trouble sleeping? These products aim to help

There are soothing sounds galore, including rain, waves, crickets, wind chimes and bird chirps, but sometimes white noise can be the most uncomplicated and relaxing. Launched last month, the S-100 White Noise Machine by Sound Oasis offers 10 white noise tones in a compact, portable design that also doubles as a speaker, should you wish to play sleep-inducing music with your mobile device. $59.99 at sound-oasis.com.