The hotel you are planning to stay at is conveniently located near the airport, which will make your early morning transit much easier. Getting a taxi from the hotel to the international departure area at Changi Airport should be quite simple. Taxis are readily available, and the hotel staff can assist you in arranging transportation if needed. As you mentioned, the MRT may not be operational at that early hour, but you can rely on taxis for a comfortable and convenient mode of transportation. The hotel's proximity to the airport ensures a quick and hassle-free journey. During your stay, you'll also find that there are restaurants nearby, allowing you to grab a meal before your early morning departure. This adds to the convenience of your stay, ensuring you have everything you need for a comfortable and smooth transition to the airport. Wishing you a pleasant stay at the hotel and a smooth journey to catch your early flight the next morning!

If your boys don't mind sharing a bed, that should be no problem if you get a room with two beds.

Yup, I posted about a hotel in Singapore … not sure why you asking about Alaska though. : )

Honestly I don't have such as taht information but better to fix that before book with the hotel direct main website..