When it is time for bed, Sarah tosses and turns and stares at her clock for hours. She has a lot of difficulty falling asleep each night. What is MOST likely happening to Sarah? She is having night terrors. She has insomnia. She is sleepwalking. She is addicted to sleeping pills.

She most likely has insomnia.

Explanation:

If she has difficulty falling asleep at night(staring at her clock for hours), this is probably why. I believe I have insomnia (I can stay awake for hours doing many tasks) so I speak for experience lol

don't compare yourself to others, this is a big one because due to photoshop and surgery people have this unrealistic image of what they should look like in their head.

think about good qualities you have and jot them down so can go back when you're feeling down about yourself.

make sure you have good hygiene, bathing often, face routine, brushing teeth.

if you'd like to change something set a realistic goal! (;

answer: i would say the brain but it seem that you have a brain.