Did the amount sleep you got last night affect your ability to complete this simulation? The horizontal axis now shows hours of sleep. Research shows that sleeping more and less than the recommended seven to eight hours will increase your reaction time and cause you to make more mistakes. Do our Museum visitor data show this pattern?
Rise and shine
When you first open your eyelids in the morning, light-sensitive cells in your eyes tell your brain to stop producing the hormone melatonin. Melatonin helps you sleep at night and sets your body rhythms to a 24-hour cycle every day.
Artificial light will perk you up
Blue wavelength light from computer screens and electronic devices can make us extra alert at night before we fall asleep.