What times r achs blood sugars?

When blood sugar levels are to be checked ac and hs, it means to check them before meals and at bedtime. The abbreviation ac stands for the latin Words ante cibos, meaning before meals, and hs stands for hour somni, meaning the hour of sleep. Typically the blood sugars are checked 15-30 minutes before meals depending on the type of insulin being taken, and hs is taken at 9:00 PM.