Attacks per round. The term attacks per round (APR) refers to how many attacks a creature is able to make during a round (6 seconds). The base attacks per round is determined by the creature's base attack bonus (BAB) â or unarmed base attack bonus (UBAB) in the case of a monk fighting unarmed or with a kama.
The exact cause of narcolepsy is unknown. There may be many causes. Most people with narcolepsy have low levels of the chemical hypocretin (hi-poe-KREE-tin).
Causes of epilepsy vary by age of the person. Some people with no clear cause of epilepsy may have a genetic cause. But what's true for every age is that the cause is unknown for about half of everyone with epilepsy. 1  Some people with no known cause of epilepsy may have a genetic form of epilepsy.  About 3 out of 10 people have a change in the structure of their brains that causes the electrical storms of seizures.