他疲勞過度，又睡眠不足，最後便病倒了。

What with fatigue and lack of sleep, he has fallen ill at last.

Source: Tatoeba

Sentence Composition

1 他 tā
  1. (third-person singular) (since the early 20th century, usu. male) he; him; his
  2. (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)
2 疲勞 píláo
  1. fatigue
  2. wearily
  3. weariness
  4. weary
3 過度 guòdù
  1. excessive
  2. over-
  3. excess
  4. going too far
  5. extravagant
  6. intemperate
  7. overdue
4 又 yòu
  1. (once) again
  2. also
  3. both... and...
  4. and yet
  5. (used for emphasis) anyway
5 睡眠不足 shuìmiánbùzú lack of sleep; inadequate sleep
6 最後 zuìhòu
  1. final; last; ultimate
  2. finally; in the end
=7 便 biàn
  1. plain
  2. informal
  3. suitable
  4. convenient
  5. opportune
  6. to urinate or defecate
  7. equivalent to 就 jiù: then
  8. in that case
  9. even if
  10. soon afterwards
=7 便 pián
  1. used in 便宜 piányi
  2. used in 便便 piánpián
  3. used in 便嬛 piánxuān
8 病倒 bìngdǎo
  1. to fall ill
  2. to be stricken with an illness
=9 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=9 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 了 liǎo)
=9 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=9 了 liào unofficial variant of 瞭 liào