Your selections: Sleep > Circadian Rhythms
The modern world has changed when we sleep — but our work and school schedules have failed to keep pace.
  • BrainFacts/SfN
Retinal ganglion cells are the conduit between the eyes and the brain.
  • BrainFacts/SfN
Our sleep schedules aren’t simply personal preferences — they’re innate, biological predispositions that affect our physical and mental health.
  • BrainFacts/SfN
Teens’ nocturnal lifestyles are more than a personal preference — dramatic hormonal changes during puberty alter the brain circuits that regulate sleep.
  • 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
Your smartphone addiction isn't helping you sleep. In fact, an obscure chemical reaction may be keeping you awake.
  • American Chemical Society
  • 3 min
Explore the stages of a good night's sleep and the research linking sleep to memory.
  • PBS
Explore the many aspects of sleep and its importance to overall daily function and long-term health.
  • University of Texas Health Science Center at San Antonio