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 ...

It may seem innocent, but it's probably getting in the way of good rest.

Please provide your email address to receive an email when new articles are posted on . Electrocardiography data can be put into a neural network to score/determine sleep stages. With ...

Add Yahoo as a preferred source to see more of our stories on Google. Person wearing a wearable sleep tracker in bed Light sleep is the beginning of your sleep cycle and your body's way of winding ...

On World Sleep Day 2026, experts explain how much sleep adults really need, why sleep quality matters for health, and tips to improve restful, restorative sleep.