Sleep and dreams

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• Why Do I Cry So Easily, Even When I'm Good at My Job?So "I tear up when I get told off," "I cry at every sad movie," and "I cry when I see someone else struggling" don't have to share the same cause.
• How Is Hibernation Different from Sleep? Separating an Energy-Saving Body from a Sleeping Brain“Do hibernating animals sleep for months on end?”
• A researcher’s mind, a cat’s body: what does a bedtime “meow” actually do?Tomorrow is planned.

This week’s archive picks

Each week we rotate in a few older articles from this theme, taking turns through all of them.

• Why Do I Fall Asleep at 8 PM and Wake Up at Midnight? 9 Causes and a 3-Day TestYou keep falling asleep around 8 PM. Then you wake up at midnight or 1 AM. You glance at your phone. You check social media. You watch a video.
• Did Sleepy Jerry Really Take Over the Internet, or Did Someone Just Say So?Someone declared the takeover. Not everyone got the memo. Sleepy Jerry is the tired cartoon mouse scrolling his phone in bed.
• Was an 18-Hour Sleep Day Recovery Sleep? How to Understand Long Sleep and Changes in DreamsI slept from midnight to 1 p.m., for 13 hours.
• What Does Everyone Actually Do on Their Days Off? — The Truth Behind “Nothing”: Phones, TV, Sleep, and Capybara ModeJapan’s 2025 Cabinet Office survey found that the most common ways people spend free time were sleep/rest (53.7%), TV/DVD/CD viewing (46.8%), hobbies and…

All “Sleep and dreams” articles, newest first

Newest first

• Tired Body, Wide-Awake Brain: Can Willpower Increase Sleep Pressure?You're exhausted, but your brain is holding a midnight meeting. Can you force yourself to become sleepier?
• I Stepped on a Hedgehog Box, Got Sent to the Past, and Ended Up Never Being Born — A Nightmare Whose Brain-Screenwriter Burned Through Ten Years in SecondsThe nightmare did not begin with the end of the world.
• Why You See Dream-Like Images Before Sleep — and How to Increase the Chance of Dreaming What You WantSometimes, when you close your eyes before sleep, images start playing in your mind even though you do not feel fully asleep yet.
• Why Do I Fall Asleep at 8 PM and Wake Up at Midnight? 9 Causes and a 3-Day TestYou keep falling asleep around 8 PM. Then you wake up at midnight or 1 AM. You glance at your phone. You check social media. You watch a video.
• Why Do I Cry So Easily, Even When I'm Good at My Job?So "I tear up when I get told off," "I cry at every sad movie," and "I cry when I see someone else struggling" don't have to share the same cause.
• Slept Until 1 PM: Is That Too Much Sleep? Worry Before a Big Change, Long Dreams, Air ConditioningSomeone fell asleep around 3 or 4 a.m. and woke up around 1 p.m. That is about 9 to 10 hours of sleep. A package delivery woke them up once.
• How Is Hibernation Different from Sleep? Separating an Energy-Saving Body from a Sleeping Brain“Do hibernating animals sleep for months on end?”
• Do Hibernating Animals Sleep the Whole Time? How Metabolism, Body Temperature, and Sleep Help Them Through WinterAn animal retreats to its den for winter and reappears in spring.
• A researcher’s mind, a cat’s body: what does a bedtime “meow” actually do?Tomorrow is planned.
• Did Sleepy Jerry Really Take Over the Internet, or Did Someone Just Say So?Someone declared the takeover. Not everyone got the memo. Sleepy Jerry is the tired cartoon mouse scrolling his phone in bed.
• What Happens to Your Dreams and Appetite After a Very Long SleepSleeping extremely long just once doesn't automatically mean something is wrong.
• I Drank Yakult 1000 and Still Slept 10 Hours. Maybe That's Sleep Debt Being Collectedsleep-debt-yakult1000-long-sleep.md
• Still tired after drinking water, eating and a long nap? Early cold, sleep inertia, stiff neck or dating app burnoutYou drank water. You ate. You even had yogurt. Then you napped. And it was not a quick 30-minute nap. It was five hours. Basically a second night.
• Takoyaki Party, 90 Minutes of Career Advice, Then “I’m Sleepy, Go Home”It was another casual takoyaki get-together, roughly the second time.
• Free facial beauty advice, checked against the researchBeauty professionals often give quite sensible practical advice wrapped in explanations that are simpler and more certain than the science.
• A 30-minute sleep stream became adult observation: Daisuke HoriPut the stream on a 50-inch television and the premise immediately looks strange.
• Delicious (End of Review): Iekei Ramen on Two Hours of Sleep Turned Into People-Watching NotesThe shoyu MAX from this visit. The photo was explicitly approved for use in this article body.
• Does Lack of Sleep Kill Creativity? What Caffeine Can FixShort answer: a sleep-deprived brain can still throw out a quick, funny association, but steady focus and multi-step thinking slip first, and caffeine brings…
• Running on No Sleep: A Health Checkup in Japan, a Free Monster Energy, Then City HallBy mid-morning my brain was already fried.
• Does a 5 A.M. Walk Count After a Bad Night of Sleep?It's 5 a.m. You slept badly, but the streets are cool and quiet.
• It’s 5 a.m.: the body says “sleep,” the brain says “still open”It is 5 a.m.
• What Does Everyone Actually Do on Their Days Off? — The Truth Behind “Nothing”: Phones, TV, Sleep, and Capybara ModeJapan’s 2025 Cabinet Office survey found that the most common ways people spend free time were sleep/rest (53.7%), TV/DVD/CD viewing (46.8%), hobbies and…
• Was an 18-Hour Sleep Day Recovery Sleep? How to Understand Long Sleep and Changes in DreamsI slept from midnight to 1 p.m., for 13 hours.