If you’ve ever lain awake with your thoughts racing while the rest of the house sleeps, new Australian research suggests the problem may not be willpower or worry, but timing. A study led by the University of South Australia has found that chronic insomnia may be linked to disruptions in the brain’s natural 24-hour rhythm of mental activity, helping explain why some people struggle to mentally “power down” at night. Published in the journal Sleep Medicine, the research is the

Do you often find yourself groggy and fatigued, even after a full night's rest? You're not alone — especially if you're part of Gen Z. A...