You’re half-asleep, sliding toward that blissful blackout, and then it happens. A bang. A crash. A gunshot-level noise that feels like it came from inside your skull. You sit straight up, fully awake ...

Scientists regularly solve mysteries about the body. For instance, they've recently discovered that magnetism is behind why your molecules are right or left-handed and that the ability to walk upright ...

Hear that bump — or bang — in the night? Getting your recommended seven to nine hours of shuteye can come with complications for many, from obstructive sleep apnea to restless leg syndrome and more.