Natasha and Clint each had a bedroom set up for them, but judging by their faces; they each felt more comfortable when Steve dragged one of the beds through so they could sleep in the same room.
Severely lacking on kids supplies; Natasha was given one of Pepper's tops to sleep in, and Clint had to deal with some workout clothes which belonged to (adult) Natasha. The two of them would be sleeping in one of the spare rooms on Tony and Pepper's floor; Tony had suggested letting them stay in their own rooms, but Pepper and Steve had quickly decided that could be disastrous as none of them knew quite how many weapons were stashed around those floors.

The next morning (if you can call 4am morning) Tony was woken when Jarvis informed him the door to the balcony had been opened.

Panicking, he sprinted from his bed and down the hallway to find it was just Natasha who'd gone to stand outside.

He approached her, making purposeful noises so as not to startle her, and stood by her side while she watched the city. Even Pepper's t-shirt drowned her.
Her long hair blew in the breeze and she rested her chin on her arms, which were leaning on the railings around the balcony.

"Couldn't sleep?" Tony asked, when it became apparent she wasn't going to start a conversation anytime soon

She just shrugged. "If I ask you a question, will you be honest?"

"I'll try"

"What year is it?"

"2014. What year do you think it is?"

"1993"

"Sorry kid"

"Do you know me, the future me? Am I still alive in 2014?"

"Yes I know you; you're one of my best friends"

"Am I a good person?" this question seemed to be the most important; the vital piece answer she wanted. Finally looking up to him, Tony could see the impatience in her eyes as she waited

"You're a hero" he told her with a gentle smile. Her face softened and relief flickered over her face. "You want to go back inside? It's a bit chilly"

She followed him back inside and took a seat on the sofa beside him

"Clint told me to enjoy my time here, before you send us back" it wasn't phrased as a question, but Tony gave himself some credit that he could read Natasha rather well and knew it was something that has been bothering her since this whole thing began.

"What do you mean?"

"He said it's like when he used to be fostered, they always sent him back"

"Natasha, this isn't like that, and it's not a test either. It's a... It's like a rescue. You and Clint are going to stay here with us, and we're going to keep you safe until we figure out how to change you both back into adults. Okay?"

She nodded and yawned, settling back into the sofa after Tony had seemingly put her mind at ease. He wondered how long it had been since she'd had a proper night's sleep...

Two and a half hours later Pepper woke to an empty bed. Wondering round their floor of the tower she found him asleep on the sofa; head back resting against the pillow behind him, and his mouth open. He had an arm draped round Natasha's shoulders as she slept soundly; her head rested comfortably on his chest and she was curled up in an attempt to stay warm.

"Jarvis, can you capture a picture of this for me?" she asked, smiling at her boyfriend

"Right away Miss Potts"

She grabbed a spare blanket; draping it over the pair. Sweeping Natasha's hair from her face and kissing Tony gently on the cheek before she left to ring work; she'd definitely need a few days off...