Image Source - The 4 Stages of Sleep: What happens in the brain and body during NREM and REM sleep

Instructions
Use the following sources to learn about this topic and complete the Guided Notes.

• Article - The 4 Stages of Sleep by Kendra Cherry

Guided Notes
Answer the following prompts/questions in your notes.

• Write down 2 notes for each BOLDED HEADING
  • ​NREM Stage 1
    
  • NREM Stage 2
    
  • NREM Stage 3
    
  • REM Sleep
    
  • Sequence of Sleep Stages
    
  • Factors that Affect Your Sleep Cycle
    
  • What Happens When Sleep Stages Are Altered
    
  • Tips For a Healthier Sleep Cycle