A new study presented at the American Heart Association’s Scientific Sessions 2025 suggests that long-term melatonin use for ...

Don’t lose sleep over headlines linking melatonin to heart failure. That’s the message after some scary-sounding reports about a preliminary study involving the sleep-related supplement. It raised ...

How bedtime screen habits disrupt melatonin, sleep cycles and blood sugar control, and why doctors warn that late-night ...

A study presented at the American Heart Association’s scientific meetings has raised concerns about melatonin, one of Britain ...

Sleep aids containing melatonin are booming, but new research points to an association between longer-term use and a risk of heart failure. According to an analysis presented at an American Heart ...

According to the team behind the study, people who had used melatonin continuously for a year or more appeared to face a ...

Winter brings tiredness due to less sunlight affecting sleep and mood. Low vitamin D levels also contribute to fatigue. Cold ...

Common advice about jet-lag could make it worse, say experts. But there are ways to lessen its energy-draining impact both on ...

When the clocks go back, I immediately feel tired. I've always put it down to darker, shorter days, aversion to the cold and ...

If you find yourself feeling sluggish, sleepy, or unmotivated as winter sets in, you’re not alone. Experts say shorter days, ...