Illustration of superman in a dream
Learn how your brain creates dreams while you sleep.
  • BrainFacts/SfN
  • 4 min.
Sleep deprivation puts the brain on high alert, unable to discern a well-natured grin from a threatening scowl.
  • BrainFacts/SfN
Jet lag, irregular sleep schedules, and exposure to artificial light throw our internal clocks out of whack. When that happens, our health suffers.
  • BrainFacts/SfN
Sun-seeking brain cells keep the sleep cycle in balance.
  • BrainFacts/SfN
The release of the “vampire hormone” lets the body know when it’s time to sleep.
  • BrainFacts/SfN
Billionths of a meter thick yet tough as silk or steel, these unwanted threads are hard to destroy.
  • BrainFacts/SfN
How many times have you chosen another activity over sleep? Next time, think again, and your healthier brain will thank you.
  • BrainFacts/SfN
Hearing words that evoke visions of color or seeing letters that have gender are just a few examples of experiencing synesthesia. Jessica Johnson investigates this tangling of the senses.
  • BrainFacts/SfN
They’re taking over Amazon and Kickstarter. But do they live up to the hype?
  • BrainFacts/SfN
Sleep is vital for keeping your brain functioning and your mental health sound.
  • BrainFacts/SfN
  • 2 min
While you dream, your body is temporarily paralyzed. Sometimes this inability to move persists even after you've woken up.
  • BrainFacts/SfN
  • 4 min
Explores one process by which sleep is thought to play a role in properly regulating synapses — the synaptic homeostasis hypothesis.
  • BrainFacts/SfN
  • 5 min
Learn how your brain creates dreams while you sleep.
  • BrainFacts/SfN
  • 4 min

3D Brain

An interactive brain map that you can rotate in a three-dimensional space.