history: I'm pleased with the amount of work I've done today. I'm pleased with how much work I've gotten done today. Good for you! It's always so satisfying to look back and see how much you've achieved.
current: Yes, I'm usually too tired by the time I'm finished though and just fall asleep....ha.
next: Nothing wrong with sleep - along with food it's what keeps us going! How many hours do you work?