Despite the letter Z being more of a visual representation of sleep than a verbal one, it has influenced language across the globe.

This work could ultimately lead to targeted treatments for ... Positive Emotions Plus Deep Sleep Equals Longer-Lasting Perceptual Memories Feb. 3, 2025 — Researchers have uncovered how ...

Quality sleep isn’t just about how long you’re in bed -- it’s about the restorative value of the hours you spend sleeping. Whether you’re struggling to fall asleep, curious about your ...

Beyond tracking health metrics and exercises, the devices can also monitor your sleep. This includes the quality and length of your shuteye and the factors contributing to a good or bad night’s ...

If you have problems with sleep, ask your GP or consultant can refer you to a specialist sleep clinic. Epilepsy Society is grateful to Dr Sofia Eriksson, consultant neurologist and clinical lead for ...