Its C. Significant world event.
Answer:
My amount in toys is cumulative .
Explanation:
Circumstances that may cause you to lose sleep is the mental health issue: Insomnia; You could be a physically healthy person but mentally not so much and it can seriously cut back on the amount of sleep you get. Factors that can cause you to lose sleep are: An uncomfortable bed, stress and anxiety, overthinking, not enough production throughout the day, light and sound.
Hope this helped :)
