Separate names with a comma.
Sleep is weird. Stay away from it.
Depending on who you ask they’ll tell you it’s because 6 is Satan’s number. :-P
my insomnia made it rare for me to get more than 7 hours of sleep. I'm now used to getting 4-6 of sleep a night, and sometimes 3 hours ( maybe like 2 days a week ). I aced countless exams going with 2 hours of sleep or none at all. I've been pulling all nighters since i was a kid.