The locus coeruleus is a region of the brain that is instrumental in coordinating our mental processing and is the primary source of noradrenaline in the brain, which acts to regulate arousal states ...

How do we go from sound asleep to awake in the blink of an eye? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When you wake up in the morning, ...

Ever noticed how your grandparents or elderly neighbours are up and about before the sun rises? While it might seem like a quirky habit, waking up early is actually a common and natural part of ageing ...