Sleep plays a central role in memory consolidation - the process by which newly acquired information is stabilized and integrated into long-term memory stores. Research from institutions including Harvard Medical School and the Max Planck Institute for Human Cognitive and Brain Sciences has shown that different stages of sleep contribute to different types of memory. Slow-wave sleep, or deep sleep, appears to be particularly important for declarative memory - the kind that stores facts and events.
If your blinds and curtains are open in the morning as you wake, this can have a positive impact on sleep. A study last year found that getting sunlight before 10am improved sleep quality. Light at night can stop you releasing melatonin, which tells your body it's bedtime. But we need sunlight in the daytime, especially in the morning. It helps our bodies set their biological clocks.
Rumination activates the default mode network (DMN) - the brain's self-referential processing system. This is the neural circuitry that fires when you're thinking about yourself in relation to others: your identity, your social standing, your mistakes. It's the brain asking, over and over, What does this say about me?
Neuroscientist Karen Konkoly is a lucid dreamer. When she's asleep and immersed in a dream, she knows that she is, in fact, dreaming. One of her favorite things to do during these sleep sojourns is pose personal, even existential questions - probing the mysterious terrain of her own subconscious mind. Asa researcher who studies the human mind, Konkoly has read many scientific papers positing different explanations for why humans dream - and she's made it her mission to rigorously test them.
Sleep banking is essentially extending your normal sleep hours in the nights leading up to a known period of sleep deprivation. On the face of it, it appears unlikely banking sleep could counter the decreased alertness and other cognitive decrements that we experience when deprived of sleep, or stop that strong sensation we get when our body wants sleep.
"I started getting into the frame of mind most people get sucked into. I worried, 'What's going on? Is there something wrong with me?'" he says. That fear of not being able to sleep is a phenomenon called "sleep anxiety," says Orma, who went on to become a specialist in insomnia treatment. Left untreated, that anxiety can prevent people from actually falling asleep. "The more you focus on it, the less chance you'll sleep, which then makes you more anxious. That's the cycle that spins," he says.
I tested AGZ's chocolate and mint flavors, which come with a frother, and you can blend the powder with water or milk, either warm or cold (although I think it tastes the best with milk, like a frothy hot cocoa). The drink doesn't taste overly sweet and has a nice, rich chocolate taste. The mix is melatonin-free, instead with adaptogens, herbs, and minerals, including magnesium, vitamin B6, L-theanine, ashwagandha, and calming herbs.
It's normal to feel sluggish during the winter. Cold temperatures and fewer hours of sunlight can mean less time outdoors and more time staring at our screens. For some people, these cold-weather habits may contribute to a sleep disruption, known as winter insomnia. This isn't a clinical condition, but it might begin or worsen during the winter months.
Why would you do that? It's a way to remove distraction, calm your nervous system and practise mindfulness. And get clean. Yes, you also get clean. But this is more about finding those small, intentional moments that release you from the cares of your day. It sounds like an accident waiting to happen. You don't have to shower in complete darkness just in dim light, even by candlelight.
When Matt Hillier was in his 20s, he went camping with a friend who was a nurse. In the morning she told him she had been shocked by the snoring coming from his tent. She basically said, For a 25-year-old non-smoker who's quite skinny, you snore pretty loudly,' says Hiller, now 32. The Guardian's journalism is independent. We will earn a commission if you buy something through an affiliate link. Learn more.
So, what is the "best" sleeping position to get you there? It's a tricky (if not impossible) question to answer, since everyone's body, health, and preferences are different. But according to Jennifer Martin, PhD, spokesperson for the American Academy of Sleep Medicine and professor at the Herbert Wertheim College of Medicine at Florida International University, what's best for you hinges mostly on two factors: what position allows you to breathe easily, and what position is the most physically comfortable for your body.