Some nights the best thing you can do is lie on the grass and look up. No reason, no photo.

Doing something with no purpose and no record is now unusual enough to feel faintly wrong. Nothing is being produced, proved or kept, which is precisely what makes it rest. A sky you are not photographing is larger than one you are framing, because you are not checking how it comes across. The absence of a use is the use.

Go outside one night this week and lie down for five minutes with your phone left indoors. A yard, a field, a quiet bit of pavement. Expect to feel restless for the first minute, then wait and see what becomes of it.