Serum melatonin levels are lower and peak later in patients with methamphetamine use disorder than in those without, ...

The study isn't the kind that can prove cause-and-effect — and doctors stress that too little or interrupted sleep by itself ...

“Melatonin supplements may not be as harmless as commonly assumed. If our study is confirmed, this could affect how doctors ...

Insomnia has been associated with a higher risk of having a heart attack or stroke. Disrupted circadian rhythms — our body clocks in which melatonin plays a role — and insufficient sleep have been ...

Insomnia is one of the commonest health issues, and problem sleepers have a choice of options ...

Long-term use of melatonin supplements may be linked with a higher risk of heart failure, according to new research — but does that mean people taking it as a sleep aid should stop using it now? In a ...

Adults suffering from insomnia who had been using melatonin for a year or more had 90% higher odds of heart failure, researchers found in a new study.

Is melatonin making you murky in the morning? Our bodies naturally produce the hormone melatonin to help regulate our sleep-wake cycle. Melatonin is also a popular supplement meant to address sleep ...

On Sunday many of us will be able to enjoy an extra hour of blissful slumber in our cosy, warm beds when the clocks go back. This year, the clocks will go back an hour at 2am on Sunday, October 26, ...