Imagine walking along a beach at night, while bioluminescent plankton give the surf an appealing glow.

Imagine spending the night in a sleeper car of a train travelling through the lochs and moors of the Scottish highlands.

Imagine that you are in a submersible pod, travelling deeper and deeper into the quiet depths of the ocean.

Imagine being in a hammock, between two branches of a ceiba tree, in a rainforest, high enough up a mountain that you feel like you are sleeping in a cloud.

Imagine visiting a vineyard, late at night, when it's quiet and soothing.

Imagine spending the night in a cabin high up the Eiger mountain.

Imagine being a witness as a glassblower takes a glob of molten silicon, and forms a glass vase.

Imagine being on the deck of an icebreaker inside the arctic circle as it forges its way through the hard-packed ice, while the Aurora Borealis unfurls itself overhead.

Imagine being in a hot-air balloon, at night, far above the problems and worries of your life.

Imagine raking a zen rock garden of granite gravel and sand, and a few volcanic rocks.