At first you can be sure of doing this only by lying flat on your back.
The point in lying flat on your back is that in that position alone you can be sure you are breathing naturally, which is diaphragmatically.
Five minutes of deep, free breathing from the diaphragm, lying flat on your back in bed at night and before you rise in the morning, will accomplish the desired result.
Lying flat, Blaise put one hand into the shadowed water.
Lying flat in a patch of creeping bearberry, the younger lad raised his head a little.
Lying flat, screened by an alder and a small balsam fir, he looked out across the water.
Then he crawled over with his bird and, lying flat alongside of Miss Erith, told her what he had discovered and what he had done about it.
The girl crept toward a big walnut tree and, lying flat on her stomach behind it, drew both pistols and looked around at McKay.
Then, lying flat, he levelled his pistol, supporting it across the palm of his left hand.
I take it lying flat on my back, creating a veritable avalanche of stones and rubble.
But how of those two others, lying flat on their faces in the open?
A little higher up the slope a man is lying flat on his stomach, supporting his chin on his hands, and reading absorbedly, digging his toes in the soil the while.
A handful of sand thrown into the air gave the direction of the wind; worming my way I gained the thorns, and, lying flat, waited for a side chance.
Lying flat on my pony’s neck and guiding him as I best might by occasional glimpses of the tail of my now slowly retreating pioneer, I laboured on in the hope that more open ground might enable me to get up alongside of him.
I was in a most awkward position, lying flat on my face, and literally aching with suspense and suppressed excitement, and yet I dare not move to get into a better position for a shot, for fear of being seen by either of the two cows.
I was promised a drive once a week, but they were unfortunately suspended as I had an operation on July 31st for the jumping sciatic nerve and once more was reduced to lying flat on my back.
When it was light enough I looked round, as well as I could at least, lying flat on my back, for something to distract my thoughts.
Fortunately he happened to be riding through a thick part of the bush, so that, lying flat on the ground, he was completely invisible to the advancing Boers.
Lying flat on their faces the gallant little band held their fire, and waited in dead silence while the horsemen galloped towards them.
Lying flat on the ground, he crawled from side to side of the fort, keeping a particularly sharp watch in the direction in which the white flag had been shown.
Lying flat on the rock, he stretched his head forward and drank deeply of the ice-cold pool beside which he lay.
With the lines in his left hand he crawled toward the water and, lying flat on the ground beside the horse, put his head down to drink.
She reached without adventure the corner of the ledge where she had first seen him, and there, lying flat, listened again.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "lying flat" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.