My ABS and brake light came on the other night?

The first place is the easiest, the battery, though it sounds like you may have a larger electrical problem, check the battery or bring it into a parts store for a free charge and check on it. Next thing to check is your alternator to see if it charging the battery.

The ABS and brake light may or may not be related to the starting problem. Typically when your ABS light comes on it means something has happened in the brake system to turn off the ABS computer, a bad sensor, bad readings from one or more wheels, pressure leaks or something like that, it is typically localized to the brake system so don't get caught trying to connect the two unless you absolutely have to.