I could stand it no longer.

I was yielding to the effects of hunger and cold.

The rarefied air scarcely gave play to the action of my lungs.
At last, at eleven in the sunlight night, the summit of Snaefell was reached, and before going in for shelter into the crater I had time to observe the midnight sun, at his lowest point, gilding with his pale rays the island that slept at my feet..