Could ultra-processed foods be associated with your insomnia?

Ultra-processed foods (UPF) may be associated with insomnia experienced by an estimated one-third of adults. An analysis of dietary and sleep patterns reported in the Journal of the Academy of Nutrition and Dietetics, shows ...


Is stress worsening your dry eye?

Long work hours, little sleep, a full inbox; balancing work and a social life: Stress can pile up and have notable physical effects on the body, including the eyes. Ocular symptoms such as burning, redness, irritation, watery ...

Psychology & Psychiatry

Sleep study finds post-karaoke stress is strengthened by REM sleep

We're all familiar with the fact that the quality of our sleep has a strong impact on our waking lives. But what you may not know is that sleep stages contribute to how we process life experiences and memories in different ...

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Sleep is a natural state of bodily rest observed in humans and other animals. It is distinguished from quiet wakefulness by a decreased ability to react to stimuli, and it is more easily reversible than hibernation or coma. It is common to all mammals and birds, and is also seen in many reptiles, amphibians, and fish. In humans, other mammals, and a substantial majority of other animals that have been studied (such as some species of fish, birds, ants, and fruit flies), regular sleep is essential for survival.

The purposes and mechanisms of sleep are only partly clear and are the subject of intense research.

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