The National Sleep Foundation recommends that teens get between 8.5 and 9.5 hours of sleep a night. However, most teens get less than this, especially if they are coping with high stress levels, which can result in insomnia. This will put a further demand on an already struggling body. – “Bullying and Stress”

Based on this passage, how could being a victim of bullying affect sleep?

Being bullied increases depression, resulting in insomnia.
Being bullied decreases depression, resulting in insomnia.
Being bullied increases stress levels, resulting in insomnia.
Being bullied decreases stress levels, resulting in insomnia.