A. help keep joints flexible
When it involves granting favors it's called quid pro quo.
True, sleep problems indeed are a quite often occurence among children as well as adults - they do occur quite often but don't necessarily occur all the time for people to whom it does happen. At the same time, when someone suffers from sleep problems, this doesn't necessarily mean that he cannot sleep at all.
I think A. When a person dies at home blood circulation can't be maintained to the organs that's what happened to my dad
