Preliminary findings indicated that the circadian rhythm was not a true 24-hour sequence, but rather species showed wide variation, from 20-hour to 28-hour periods in which those kept in isolation would eventually fall out of sync with the natural environment.
1. 여기서 which가 가르키는 것이 뭔지 잘 모르겠습니다. wide variation인가요?
2. fall out of sync with 해석
- fall / out of sync with로 나눠서 fall을 하게 되다로 해석하면 맞나요?