Is it safe for baby to sleep with your mom?
I think this can vary greatly. As moms, we know who we can trust our babies around. Me personally? No, I would not let Charlie sleep with mom. She forgets a lot.
Overall, Charlie has slept with us on nights he's not feeling too well. As soon as he falls asleep he goes into the bassinet, and now into the crib. If you feel that your mother can be safe with your child, it's your call to make. But if there are any concerns whatsoever, you should not allow it.
I slept in the same bed as my grandma when I visited her as a kid. She only had one bed in her house so that was the only choice. I don't see a problem with that.