Ask HN: How do you spend your break time?

Usually when I take a break I'll check HN, Twitter, text messages, YouTube, etc. I think these activities are fine on occasion when you need to just unwind for a bit and not worry about productivity. But when I follow the pomodoro technique, a 5 minute break every 25 minutes, that's almost 1.5 hours in a workday or around 16 days a year if you work 5 days a week. That's a lot of time. I'm interested to read what you spend your break time on that has more value. More value break activities I've thought of is trying to answer questions on Stack Exchange or read a book.