system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 - why is it so common for people with illnesses to die suddenly in their sleep?
gpt
People often sleep alone, or with one other person who is also asleep, and they're also less aware of their own surroundings, so if something happens to them overnight they're less likely to notice, and they're less likely to have help available right there.