What is a sit spot?

I first came across the concept of sit spots in Simon Barnes' Rewild Yourself. Sitting still in nature for a length of time is one of the 23 practical spells he suggests to help you to get closer to nature.

Read what Simon Barnes says about sit spots here

I'd been given the book as a Christmas present and had started to use some of the spells that Simon Barnes suggests - always taking binoculars out, and using them; having waterproof trousers to be able to sit around to watch nature - lots of other good practical advice for observing nature. I hadn't been able to 'do' a sit spot though - sitting in one place for an hour or more, until I completed the 7 day sit spot challenge.

Now, I get it!