Hacker News with Generative AI: Sleep

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.
Another Reason Why You Should Sleep on It Before Making an Important Decision (today.duke.edu)
Science proves, once again, that we are easily deceived by first impressions.
Spinning the Night Self (aeon.co)
After years of insomnia, I threw off the effort to sleep and embraced the peculiar openness I found in the darkest hours
Apple Watch can detect sleep apnea (appleinsider.com)
Sleep apnea is estimated to affect more than one billion people worldwide and is linked to a decline in cardiac function, an increased risk for diabetes, and an overall lower quality of life — here's how the Apple Watch hopes to fix that.
Sleep duration, chronotype, health and lifestyle factors affect cognition [pdf] (bmjpublichealth.bmj.com)
My tryst with polyphasic sleeping (2010) (akshatrathi.com)
Sleep on it: How the brain processes many experiences, even when 'offline' (news.yale.edu)
The reason sleep-deprivation kills is in the gut (bigthink.com)
Ask HN: Most effective and "non-invasive" morning wake up alarm method? (ycombinator.com)
The brain simulates actions and their consequences during REM sleep (biorxiv.org)
I Got a Sleep Study in My 30s. It Probably Saved My Life (gq.com)
Caffeine suppresses cerebral grey matter responses to chronic sleep restriction (nature.com)
Sleep discovery in mice suggests we've been missing the brain's micro-naps (sciencealert.com)
Scientists find that small regions of the brain can take micro-naps (sciencedaily.com)
Book Review: The Family That Couldn't Sleep (astralcodexten.com)
Ask HN: Most accurate scientific book on human sleep? (ycombinator.com)
Study Finds Brain Area Regulating Attention and Wakefulness (haaretz.com)