There is something both exciting and deeply relaxing about this kind of isolation.

But although he now felt deeply relaxed, and the pain had turned into a distant ache, he was no longer sleepy.

Relax deeply, then imagine you are in a landscape or townscape of some kind.

Relax deeply, then imagine yourself walking through a forest, feeling your feet on the ground, hearing the birds, smelling the flowers and trees.

Relax deeply, and imagine yourself walking through a beautiful forest.

Relax deeply, then imagine yourself walking along a country lane.

Relax deeply, then imagine yourself on a mountain path.

Relax deeply, then imagine you are on a grassy riverbank.

Relax deeply, then imagine you are in a lush, green meadow.

Training oneself to become deeply relaxed, the two authors argue, retunes the nervous system.