The wind was bringing a little drift with it and the white dust lay on our clothes.
I thought that we might be able to keep warm and have half an hour's rest this way.

Within a minute my two companions were fast asleep.

I realized that it would be disastrous if we all slumbered together, for sleep under such conditions merges into death.

After five minutes I shook them into consciousness again, told them that they had slept for half an hour, and gave the word for a fresh start.

We were so stiff that for the first two or three hundred yards we marched with our knees bent.