DISCLAIMER: I don't own Final Fantasy XV. If I did, this fanfic wouldn't just be a fanfic.
A/N: This is essentially a one sentence headcanon that I stretched into a story. Expect nothing remarkable below.
It hadn't taken Luna much time to discover her husband's aptitude for sleep. On the morning after their wedding, the prince had been content to doze until noon. In the weeks and months that followed, she grew accustomed to finding him napping on various sofas throughout the palace. And on occasions when her duties kept her up long into the night, Noctis, after struggling to remain awake for an hour or so, would kiss her goodnight, his eyes heavy with exhaustion, and retire to their quarters without her.
Perhaps she should've been embarrassed by his lack of youthful energy; maybe she should've considered it a poor example of royal behavior.
But for whatever reason, she found it quite endearing. Every time she happened upon his sleeping form sprawled out on a couch or slumped over in a chair, she'd kneel down beside him and gaze at his face. Indeed, it had become an obsession of hers- studying his peaceful features while he slept. His resting expression was vastly different from the one he wore while waking; it was as if years of worry melted away, and he returned to a version of himself she'd never known.
The habit persisted when they turned in for the night together. Snuggled close to him beneath the covers, she'd fight to remain conscious long after he drifted off, just to take in his still, handsome face.
One quiet summer afternoon, after she had performed her daily rituals, she found Noctis curled up on their bed, asleep. He lay on his side, knees bent and one arm twisted under his head as a pillow. He hadn't bothered to take off his shoes.
Luna smiled to herself. Slipping out of her heels, she approached the bed as silently as she could manage. Her husband didn't stir as she crawled beside him on the mattress, hardly breathing for fear of waking him. Once satisfactorily close, she propped herself on her elbow and peered down at him. Minutes passed as her gaze roamed over his closed lids, his sharp nose, his lips-
"You just can't take your eyes off me, can you?"
Luna started, unprepared for the sound of Noctis's voice, as his eyes shot open and he grinned at her wickedly.
"Y-you-" she sputtered, causing him to chuckle in amusement. "Oh, you're terrible!" she cried, seizing a pillow and shoving it into his chest. The prince knocked it away and, still laughing, pulled her down into a tight embrace.
She struggled half-heartedly to extract herself from his arms. "You were awake all the time?" she asked meekly.
"Mm hmm."
Luna surrendered with a groan, nuzzling into the crook of his neck to hide her blush.
Noctis sighed sleepily beneath her. "Join me for a nap?" he mumbled into her hair.
"Fine," she said, feigning reluctance.
And there they remained for the rest of the day, catching up on some much needed slumber.
Thanks for reading!