What is the suprachiasmatic nucleus (SCN)? How does light affect the SCN?

Feb 6, 2025 ... The next stage of deep sleep is when most dreaming occurs. During REM sleep the brain tries to organise the information we have received ... Mar 24, 2022 ... Sleep deprivation is a condition that occurs if you don't get enough sleep. Sleep deficiency is a broader concept. It occurs if you have one or more of the ... Jan 29, 2021 ... But what happens when you lie down to sleep? The answer differs depending on the phase of sleep: light sleep, deep sleep, or rapid eye movement ... Insufficient sleep can impact your brain's functioning including your ability to remember, regulate emotion and attention, the speed you process information and ... Aug 23, 2024 ... Because of the way our eyes hold onto oxygen, sleeping with your lenses in can make your eyes more vulnerable to dryness, irritation and certain ... Mar 7, 2023 ... In this blog, we'll look at how and why it occurs, how much you ideally need each night, and what happens if you experience too much REM sleep. Sleep gives your body time to repair itself and carry out important functions, like clearing out waste and releasing hormones. Without these processes, our ... Jul 13, 2017 ... Falling asleep with your contacts in causes an oxygen deprivation in your eyes. During the day, it is possible for air to get into your eyes but ... You might even come up with creative new ideas while you slumber. What happens to memories in your brain while you sleep? And how does lack of sleep affect your ... Nothing Much Happens is a bedtime story podcast beloved by millions. Yoga and meditation teacher Kathryn Nicolai tells soothing, cozy stories where—just as the ...