I was watching Oprah and taking a little siesta. Yes, people who work at home are easily distracted. So are people who work at a traditional office. That's pretty motivating. If they're in one place, I wouldn't work at home all the time.
Email can be helpful, too.
But don't overdo it. But your co-workers shouldn't feel like they're obligated to respond at that hour. Working at home is great, but having the discipline to draw the line between work and personal is sometimes difficult for me. Here's what some people do. Don't let them mix.