1.Their research showed that people who slept and rose early (early birds) had an advantage over people who slept and woke up late (night owls).
have an advantage over 胜过;优于
I will have an advantage over others.
我会比别人有优势 。
2....so they're constantly having to fight against their preferences and natural rhythms.
fight against 对抗;反抗
He died after a brave but unavailing fight against a terminal illness.
在与绝症进行了一番勇敢但却徒劳的抗争之后,他还是去世了 。