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Hi, I’m Brad Feld, a managing director at the Foundry Group who lives in Boulder, Colorado. I invest in software and Internet companies around the US, run marathons and read a lot.

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Floating In An Isolation Tank

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Yesterday I floated for an hour in an isolation tank at Cloud Nine Float Center. It was awesome.

When I was in college, I spent a summer floating. I had recently seen the movie Altered States and was fascinated by it, but uninterested in drugs. I found an isolation tank in Dallas where I was living with my parents and working 100 hours a week at Petcom writing oil and gas software. Twice a week I’d go spend an hour floating. I loved it and it helped me chill out and recalibrate my brain which was deep in code most of the time.

After I’d float, I’d have this incredible calmness for the rest of the day. I generally floated at the end of the day and then took the evening off. Sometimes I’d go out to dinner with my girlfriend, sometimes I’d lay in my parents hammock and read a book, and sometimes I’d go for a run. When I crawled into bed a few hours later I would always have an incredibly deep sleep.

For some reason that I can’t remember why I stopped doing this after the summer. I think I never found a float center in Boston and just let it slip away.

Yesterday I rediscovered something that I did 27 years ago and loved. I floated from 5pm – 6pm. It took about five minutes to settle down – I had 55 minutes of extreme bliss and calm. I let my mind wander wherever it wanted to go and whenever I started thinking about something too deeply I’d just listen to my breathing until I stopped focusing on something. I have no recollection of what I was actually thinking of during that hour. When I got out, I was in a calm state unlike anything I’ve felt recently.

I went home and spent the evening with Amy. I was very quiet and it was hard for her to pry words out of me. I ate a light dinner, did a little end of day email, and then watched a few more episodes of Revenge. I walked Brooks twice. And I fell into a very deep sleep around 10pm.

I will be floating a lot more.

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