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 ...

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 ...

We asked sleep experts and people who struggle with sleep to put this technique to the test. The results may surprise you.