The more you get upset about not sleeping, the more adrenaline and cortisol you release, which makes rest almost impossible.

In the quiet hours of the night, while your body rests, your brain is busy. It's sorting through the day’s moments, filing some away as lasting memories, and brushing off others. Scientists have long ...

Waking up at 2 a.m. and struggling to fall back asleep can be frustrating, and staring at the ceiling only makes it worse. But a new viral trick gaining traction on TikTok might offer surprising ...