"John?"
Snore, snore, snort.
"John."
"Mmph."
"John." This time Sherlock nudged John in the ribs. The doctor twitched, but otherwise no response.
"John." Another nudge.
"John." Nudge.
"John, I know you're awake now, and simply ignoring me in the hope that I'll leave you alone. Your breathing pattern has changed, and you've stopped snoring. You are obviously awake. Now stop being childish and answer me."
John pulled the top of the sleeping bag over his head. Sherlock responded by wiggling his fingers against his side, causing him to flinch and make some muffled noises that were probably cursing.
"I'm going to keep doing this until you admit you're awake."
"Fine, I'm awake," was the reply through the bag. "Now go away."
"I want you to look at something."
"You said you just wanted me to admit I'm awake. I'm awake. You happy now?"
"I also want you to look at something, as I said."
"No. It was a long hike to get here, and I'm tired. I'll look at it tomorrow." He was understandably grumpy; he'd carried a bit more luggage than his companion, and had barely lain down at their campsite before falling into a deep sleep.
"It won't be here tomorrow." Sherlock began trying to pull down the sleeping bag. John fought him as best he could, but eventually allowed himself to be revealed to the darkness. He glared at Sherlock in the dim lighting.
"This had better be important. Mycroft might be upset if his little brother was torn limb from limb on a simple camping trip."
"Look up at the stars. I want you to practice deducing based on them."
"You woke me up in the middle of the night for that?" John was just about ready to kill his flatmate, friend or no.
"Don't be ridiculous, it's long past midnight. And yes."
"No."
"Please?"
Pause. "No."
"I won't bother you about it again the rest of the trip. And I'll let you have the best slices of bacon."
"That I'll have to cook, as usual. But throw in getting to choose where and when we stop to rest, and you've got a deal."
Sherlock hesitated, but this was too good a chance to pass up. "Fine. Now tell me what you can learn from looking at the stars right now."
John squinted up at them. Based on their position, and the position of the moon, it was at least two a.m. He could see them clearly, and there were no clouds in sight, so it was probably going to be a sunny day tomorrow; also, the air was clear out here, with no smog. And based on the constellations, it was late summer (though he already knew that without having to look). But, seeing the slight smirk in Sherlock's eyes, there was probably something else he knew, and didn't expect John to figure out…
Then, despite the lateness of the hour, or perhaps the lateness triggering a flash of clarity, Dr. Watson understood.
"You forgot to set up the tent, you idiot. Now go to sleep."
And John promptly burrowed back down into his sleeping bag, relishing the look on Sherlock's face as he was reminded that his friend was not as dumb as he sometimes led himself to believe.