About this study
“Science of Sleep Explained” is a free, 4-lesson study on science of sleep explained at novice level, created with soclever, a personal AI teacher. Each lesson takes a few minutes and ends with a check-in question; finish the curriculum and you can take a certificate test to earn a diploma. Starting is free and needs no account — or generate your own study on any topic.
What you'll learn
- Your Body's 24-Hour Clock. Your circadian rhythm is a biological timer inside your body that runs on roughly a 24-hour cycle, telling you when to sleep and when to stay alert. Right now, if you're reading…
- The Architecture of Sleep. Your body treats the first half of the night differently from the second half. Spend the first few cycles pushing into deep sleep—your brain slows its electrical activity, your…
- What Sleep Loss Actually Does. You're running on your fourth night of poor sleep, and you reach for your phone to check an important message. Your fingers fumble. You read the same sentence three times. That's…
- Deriving Better Sleep from Science. You go to bed at 11 p.m. on Monday, fall asleep easily, wake refreshed. Wednesday, you're in bed at midnight after scrolling—you're wired, can't sleep until 1 a.m., and drag…
Questions this study answers
- Why does your body find it harder to fall asleep at your normal bedtime after you've flown across several time zones?
- Why does your sleep cycle shift from more deep sleep early in the night to more REM sleep later, and what happens if you only get the first part?
- Why does sleep deprivation make it harder to focus and make good decisions?
- Why does keeping a consistent bedtime help you fall asleep faster than going to bed at a different time each night?
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