| fall asleep(verb, expression, break, collapse, faint) |
| drop off(verb, expression, phrasal verb, break, collapse) |
| doze off(verb, expression, phrasal verb, break, collapse) |
| dope off |
| drift off |
| nod off |
| break down(verb, expression, phrasal verb, break, drop) |
| cave in(verb, expression, phrasal verb, break, drop) |
| collapse(verb, break, drop, fail, yield) |
| drop(verb, stop, break, give, withdraw) |
| drowse off |
| fall victim to(verb, expression, idiom, phrasal verb, break) |
| fold(verb, break, drop, give, fail) |
| give out(verb, expression, phrasal verb, break, drop) |
| give up the ghost(verb, expression, idiom, break, drop) |
| give way(verb, expression, phrasal verb, break, drop) |
| go(verb, break, drop, give, pass) |
| meet waterloo(verb, expression, break, drop, go) |
| pack it in(verb, expression, idiom, phrasal verb, break) |
| quit(verb, stop, break, drop, withdraw) |