Danielle is researching the effects of caffeine on the body.
She found information from two sources.
Source 1: Caffeine is a stimulant, which means it can help
make people more alert. When people drink beverages
with caffeine, they have improved reaction times and
mental performance. It can also improve a person's mood.
Source 2: Caffeine can be bad for a person's sleep. When
people drink beverages with caffeine, their natural sleep
rhythms can be upset. A study found that if caffeine is
taken within six hours of bedtime, the person will sleep an
hour less than normal.
Which statement best synthesizes the information from
both sources?
While caffeine can have positive effects on mental
performance, it can also have negative effects on sleep.
Drinking beverages with caffeine within six hours of
bedtime may cause a person to have trouble falling
asleep
Caffeine has positive and negative effects, and it can
affect a person's overall mood and mental performance.
Caffeine can help improve a person's mental
performance, and it can also have a positive effect on a
person's mood.