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Optimus was having trouble resting.
He could only stare up at the ceiling of his berth for so long before feeling numb instead of tired. It wasn't a new feeling, though; after ages in the war, it took its toll on his processor.
He knew after more and more nano-cycles passed by with his optics refusing to remain closed that getting up would be a better alternative than wasting away in his berth any longer.
He walked around the base with no particular goal in mind before heading back to the resting area, pausing at Bumblebee’s door.
He opened it and headed in, eyeing the sleeping form of the smaller bot. He stood there for a bit, a small warmth in his chest at seeing the mech sleep so soundly. He decided to sit down and continue observing him. Surprisingly, as time passed, he felt more tired; he supposed being around Bumblebee did relax him.
A few breems had passed before the little bot's optics seemed to stutter open.
***
Bumblebee’s optics opened sluggishly. He had thought he heard his door open, but his berth was comfortable enough that he was reluctant to check. He debated internally for a bit about whether it was an actual noise or his processor playing tricks on him.
He was briefly surprised to see Optimus standing over and watching him. “Optimus?” he mumbled
“Ah, my apologies Bumblebee.” the Prime spoke “I did not mean to wake you.”
“It’s all fine boss bot!” Bee began, quick to utter assurances “Did we have something planned today? Or er- tonight?” He finished as he lightly rubbed his optics.
“Oh no, nothing of the sort. I simply…had difficulty resting, you don't lock your berth room door?” he asked
“Nah, never felt the need to. I have you and the other autobots nearby. I'm safe.” he claimed with a sleepy smile.
The small warmth in Optimus's chest grew pleasantly at Bee’s words.
“I'm glad to hear that Bee.” he checked his internal clock “I suppose I should return to my berth and leave you to your own rest.”
Bee yawned “You can rest here if you want.” he said with a general smile “The bed is big enough.”
Optimus paused in his rising as he contemplated Bumblebee’s words.
“I wouldn't want to impose.”
Bee scooted over and patted the now-empty space next to him, “You’re fine.”
After a nano-click of hesitation, Optimus climbed into the bed next to Bee. “Thank you Bumblebee.”
Bumblebee settled back down on his bed shifting closer to Optimus “Don’t worry about it, besides-” he began as he threw an arm over Optimus, which landed and layed over his waist “You’re warm, it's nice.”
Optimus let out a warm chuckle at Bee’s words. He moved his own arm to wrap around the smaller bot.
“Rest well Bumblebee.”
“You too Optimus.”
With a small smile and a warm spark, he closed his optics and fell asleep.