Rather than promoting better quality sleep, pink noise and other ambient noises may harm sleep quality more generally.

It's nighttime and you're exhausted. But the hotel bed feels wrong. The mini fridge won't stop making that low, irritating hum. The power outlet lights feel brighter than the sun. Outside, random car ...

Sleep affects multiple physiological systems; however, a comprehensive overview has not yet been reported. A study published in Nature Medicine analyzed sleep characteristics in adults and their ...

For many people struggling to fall or stay asleep, sound machines have become a popular sleep aid. Broadband sounds promise to mask disturbing noises, “soothe” the brain, and help users drift off into ...

From pregnancy insomnia to postmenopause joint ache, women's hormones can cause a rollercoaster of sleep issues. Our experts explain what to do about it.