It took me 24 hours to fly from Guam to New York, and there are 6 items I wish I had brought in my carry-on and 6 I couldn’t have survived without

• Knowing exactly what to pack in your carry-on for a long haul flight can be tricky. You only have so much room in your bag, but going without your carry-on essentials on a long flight can be excruciating.
• When I traveled recently with United Airlines from Guam to New York, it took about 24 hours including layovers.
• While I made sure to pack everything I needed to stay entertained during my flights, I didn’t think to pack overnight essentials like a toothbrush or deodorant.
• Since this is a trip I plan to take often, I made a list of things I’m glad I brought in my carry-on bag and other things I longed for during this 3-leg trip.
• I’ll be sure to bring everything on this long-haul flight packing list next time, and you can, too.
• Here are 12 things you should bring in your carry-on for your next long-haul flight.
• Visit Insider’s homepage for more stories.

When I flew from Guam to New York, it took 24 hours and included three flights and two layovers.

I brought everything I needed to keep myself busy for such a long trip …

… but there are some items that would have made the trip more comfortable without taking up much more space in my carry-on.

I wish I brought my refillable water bottle with me on this trip. I didn’t because I thought it would take up too much space in my bag …

… but I didn’t think about the fact that hydration is a necessity, and I’d need to purchase a plastic water bottle during my trip anyway. The air on flights is also very dehydrating, and I felt that acutely on this trip.

Source: Insider

So I’m glad I brought lip balm to keep my lips from getting dry.

But there are other toiletries I wish I had with me, like lotion, which was provided in the bathroom on one of my flights but not the other two.

I don’t normally go 24 hours without brushing my teeth, and if you don’t either, I’d suggest bringing a toothbrush.

Being in and out of slumber all day made my mouth taste and smell bad. I wish I had tossed my toothbrush into my carry-on for this trip.

But at least I had gum — though it didn’t satisfy my craving for fresh, clean teeth.

I knew I’d get sweaty since I was traveling through tropical climates, so I’m glad I brought a change of clothes.

Changing during my layover in Hawaii made me feel a little fresher for my next flight …

… but deodorant would have made me feel even cleaner. I’ll grab a stick next time I make this trek.

I wish I brought Advil, too. Dry air on planes can cause migraines, according to Business Insider.

Source: Business Insider

And I definitely experienced some headaches throughout my trip.

Thankfully my step-grandma gifted me this neck pillow for Christmas.

It’s not your average neck pillow — it wraps around your neck 1.5 times. This makes it much easier to find a comfortable position to sleep in a tiny plane seat.

But a sleep mask would have been a total game-changer. If I had one of these, I’m sure I would have been able to nap on all three of my flights.

Since I wasn’t able to nap, it’s a good thing I brought my own iPad with movies and shows downloaded on it. None of my flights had tablets on the backs of seats, so this was a necessity.

I also downloaded magazine issues to read because I knew I wouldn’t be satisfied with just TV as entertainment for 24 hours.

With all this power being used, I’m also glad I brought an external battery to charge my phone and iPad.

Lastly, I’m really glad I brought my own meal for the first flight.

Although it’s a pretty long flight, traveling from Guam to Hawaii isn’t technically flying internationally, so United Airlines flights won’t provide a free meal.

Source: Business Insider

Having a heavy meal on my first flight also helped put me right to sleep.

With a career in New York and a family on Guam, I’ll be taking this trip pretty frequently throughout my life.

And I’ll definitely bring these additional items in my carry-on in the future to make for a nicer traveling experience.