Since you’ll be there almost a week yet, I’d suggest:
Take a Ranger Walk
Visit the SantaFe College Teaching Zoo
Walk/Hike at Paynes Prairie
Or find things like this to do. The manager at your hotel/motel should be able to provide you with activity lists if you give some ideas to her/him about what your son likes to do and can handle.
Since you and your husband have split up the shifts, and since your daughter is healing well, it might be best if one day you scheduled something interesting to do w/your son, then the next day your husband does. That way your son has something to look forward to.
Then, since he is a routine based kid, I’d attempt to keep the interesting site to see at the same time each day. That way he doesn’t get too excited near bedtime. I’d give him at least an hour in the pool each day if he likes this And try to eat outside with him even if it’s just a snack at least once per day. It’ll keep him from feeling confined during this time away from his “normal” life.
In the past, when we’ve had no choice but spend time at the hospital:
*we’ve sent our son on errands to the cafeteria to get coffees with an adult,
*had him help nurses only if your nurses are cooperative and chose to employ him, luckily ours did,
*use quarters in the vending machines to get waters/snacks our son likes helping
*help at the grocery store to fill our mini-cooler for our hospital time/outside the hospital time
We had to think about our regular routine, then modify it for our away from home stays. For example, our son has always found Starbucks to be a “good break”. :) Luckily for us, they also usually have “acceptable” bathrooms. So, when our schedule becomes altered to an “away from home” state whether for medical testing for his diagnosis, a sick relative, or a mini-vacation my husband & I instantly add-in a daily Starbucks visit…sometimes a twice daily visit. It calms our son. He is able to re-focus. Often he’ll tell us when he thinks we should get back to whatever it is we’ve been doing after he has a snack/break there.
My prayers are with all of you :)