Three John Silence Stories by Algernon Blackwood

But not even the mysterious references to the mummy, or the prospect of a revelation by digging, were able to hinder the reaction that followed the intense excitement of the past twelve hours, and I slept the sleep of the dead, dreamless and undisturbed. A touch on the shoulder woke me, and I saw Dr. Silence standing beside the bed, dressed to go out.

"Come," he said, "it's tea-time. You've slept the best part of a dozen hours."