Hacker News with Generative AI: Sleep

I set my phone to 'do not disturb' three years ago – and have never looked back (theguardian.com)
WhatsApp notifications in the middle of the night were the final straw. I switched those off – and every other alert – and it helped my wellbeing, sleep and parenting
Sleep on it: exploring the psychology of sleep amidst contemporary challenges (nature.com)
Throughout history, poets, scholars, and scientists have acknowledged the profound link between sleep and psychological well-being. The wisdom of “sleep on it”, ingrained in both Western and Eastern traditions, highlights the crucial role sleep plays in restoring and enhancing cognitive functions. In today’s fast-paced, highly-interconnected, technology-driven world, where cognitive demands are ever-growing, quality sleep has become both more vital and more elusive. This collection delves into the evolving role of sleep in maintaining psychological well-being amidst contemporary challenges.
Night owl behavior could hurt mental health, sleep study finds (med.stanford.edu)
Night owls, brace yourselves. A new study by Stanford Medicine researchers has found that following your natural inclination to stay awake until the early morning hours is a bad choice for your mental health.
Swede dreams: How Sweden is embracing its sleepy side (bbc.com)
Sweden's long, cold nights might put you off going there in winter, unless, that is, you are in search of that elusive 21st-Century luxury: a good night's sleep.
Sleeping pills stop the brain's system for cleaning out waste (arstechnica.com)
Our bodies rely on their lymphatic system to drain excessive fluids and remove waste from tissues, feeding those back into the blood stream. It’s a complex yet efficient cleaning mechanism that works in every organ except the brain. “When cells are active, they produce waste metabolites, and this also happens in the brain.
Higher potassium intake at dinner linked to fewer sleep disturbances – study (nutraingredients-asia.com)
A Japanese study underscores the potential of higher potassium intake, particularly at dinner time, in relation to improved sleep.
Ask HN: How do you sleep on time? (ycombinator.com)
Hello fellow HN guys, My work mostly ends around 9 to 10:00 PM. I have this hangover of spending a few hours after dinner so it ends up me being able to sleep around 12:00PM-1:00 AM which is very late. What can I do to get to sleep early?
REM Sleep as a Mechanism to Prevent Takeover of the Visual Cortex (2021) (nlm.nih.gov)
Regions of the brain maintain their territory with continuous activity: if activity slows or stops (e.g., because of blindness), the territory tends to be taken over by its neighbors.
Why some people can get away with only a little sleep every night (pbs.org)
Everyone has heard that it’s vital to get seven to nine hours of sleep a night, a recommendation repeated so often it has become gospel. Get anything less, and you are more likely to suffer from poor health in the short and long term — memory problems, metabolic issues, depression, dementia, heart disease, a weakened immune system.
The new science of controlling lucid dreams (scientificamerican.com)
Breathing coordinates brain rhythms during sleep (news.northwestern.edu)
Just as a conductor coordinates different instruments in an orchestra to produce a symphony, breathing coordinates hippocampal brain waves that strengthen memory while we sleep, reports a new Northwestern Medicine study in the Proceedings of the National Academy of Sciences.
School smartphone ban results in better sleep and improved mood: study (york.ac.uk)
Psychologists at the University of York, who tested the impact that smartphones have on children’s behaviour for a new two-part documentary series for Channel 4, found that a ban in school impacted positively on sleep and mood.
How to Exercise for Better Sleep (nytimes.com)
A fitness routine can be key to a good night’s rest. But too much exercise at the wrong time could aggravate insomnia.
Engineering Sleep (minjunes.ai)
Sleep claims a third of human life. Like water, it’s not a desire but a necessity. Sleep rules virtually every important system: brain, heart, mood, and immunity. Nature’s terms are harsh. Sleep eight hours or face mental and physical decay. Can we rewrite the terms in our favor? Can we sleep less, but still feel refreshed? I believe we can, and that now is the best time to start engineering sleep.
Sleep regularity and major adverse cardiovascular events (jech.bmj.com)
This study examines the associations between device-measured sleep regularity and the risk of major adverse cardiovascular events (MACE), and aims to determine whether sufficient sleep duration attenuates or eliminates the effects of irregular sleep on MACE risk.
Could Humans Hibernate? (aeon.co)
The conventional view is that humans and other creatures around us live between periods of waking and sleeping. But it is not true. Many have mastered the art of hibernating, which allows them to spend quite a lot of their life in a mysterious state of suspended animation – sometimes more than half of it. What is hibernation, and is it something that humans might be capable of?
Lucid dreaming app triples users' awareness in dreams, study finds (psypost.org)
In a recent study published in Consciousness and Cognition, researchers at Northwestern University showed that a smartphone app using sensory cues can significantly increase the frequency of lucid dreams—dreams in which a person is aware they are dreaming while still asleep.
Homeworkers get 24 more minutes of sleep a day (bbc.co.uk)
Homeworkers are using the time saved by not commuting to stay longer in bed, new figures suggest.
The brain summons deep sleep for healing from life-threatening injury (nature.com)
Immune cells rush to the brain and promote deep sleep after a heart attack, according to a new study1 involving both mice and humans.
Association between sleep duration trajectories and successful aging; study (biomedcentral.com)
Insufficient or excessive sleep duration are associated with increased risk of individual adverse outcomes. However, it remains largely unknown whether sleep duration trajectories are associated with overall health among older adults. This study aimed to examine the association between sleep duration trajectories and successful aging.
You might want to stop making your bed in the morning (thestar.com)
Even if you live by yourself, you’re never sleeping alone.
Sleep regularity is a stronger predictor of mortality than sleep duration (2023) (academic.oup.com)
A large body of research has demonstrated that both subjective and objective estimates of average sleep duration are associated with mortality risk [1–9].
How to Train Yourself to Go to Sleep Earlier (sleepfoundation.org)
A number of factors may impact your ability to go to sleep early. Perhaps you are not a morning person, or you have work or family obligations that keep you up late. Some sleep or mental health disorders, such as insomnia or anxiety, can make falling asleep difficult. In other instances, nighttime may be your only time to relax, and so you engage in revenge bedtime procrastination and stay up late, which then negatively impacts your next day.
The brain summons deep sleep for healing from life-threatening injury (nature.com)
Immune cells rush to the brain and promote deep sleep after a heart attack, according to a new study1 involving both mice and humans. This heavy slumber helps recovery by easing inflammation in the heart, the study found.
Why birds do not fall while sleeping (cnrs.fr)
The only permanent bipeds of the animal kingdom alongside humans, birds have an extraordinary sense of balance. How do these direct descendants of the dinosaurs maintain this stability, especially when sleeping? Scientists recently succeeded in solving the mystery.
The 1/8th Sleep (near.blog)
The eight sleep bed is a popular self-cooling bed. Sleeping on a colder surface not only feels great but often improves sleep as well. This post discusses a cheaper homemade option that I use instead.
An unbroken night's sleep is a myth. Here's what good sleep looks like (theconversation.com)
What do you imagine a good night’s sleep to be?
Self-experiment with L-theanine: effect on sleep and cognition (metasophi.com)
Many supplements are said to improve sleep, but how can I know if they work for my individual case if the effects are not obvious? To answer this, I ran a self-experiment with L-theanine using this platform.
Α phase-locked auditory stimulation to treat symptoms of sleep onset insomnia (nature.com)
Sleep onset insomnia is a pervasive problem that contributes significantly to the poor health outcomes associated with insufficient sleep.
Can Brown Noise Turn Off Your Brain? (nytimes.com)
The noise sounds like wind, or heavy rain, or the steady hum of an airline jet. It sounds like water rushing somewhere in the distance, like a gentle fan ruffling currents of cool air. It’s soothing, steady, slightly rumbly.