Sleeping and Dreaming

Is there a time of day you feel most alert or experience a dip in energy? What do humans really understand about sleep? Research has proven that sleep is necessary for proper functioning, and has revealed consequences of going without it. Furthermore, the introduction of the EEG machine has allowed researchers to unravel many mysteries about sleep. The machine can measure electrical activity of the brain and expose how changes in activity levels of the organ occur during sleep.

Essential Questions

• What are the stages of sleep?
• Why do we sleep and what are the effects of sleep deprivation?
• What are some common sleep disorders?