You shouldn't bother someone while they are trying to sleep.
Jenny needs to study for an important exam and her roommate Jill knows the material but just got home from work and went to bed.
Jenny wants help with her studies.
Jenny decides to look for help online, asking around on various forums until she gets the answers she seeks.
Jenny bugs Jill to help her until Jill finally gets out of bed and works on studying with her.
Jill gets a full night's sleep and wakes up happy and refreshed.
Jill doesn't sleep well and misses an important class in the morning.