Airlines usually provide pillows for long-haul travelers, no matter the cabin, but Major says bringing your own eye mask, travel pillow and/or a blanket could be a good idea depending on your preferences.
Is it OK to sleep with an airplane pillow?
Sleeping with a travel pillow in bed may help neck pain, but it may not be enough to make up for a poor mattress that's long past its best. If this happens, a change of mattress coupled with side sleeping and proper alignment are both worth considering.
Do I need a neck pillow for a long flight?
How can I make my long haul flight more comfortable?
Dress for ComfortWear stretchy comfortable clothing such as a pair of yoga pants or joggers, and a loose fitting T-shirt. Always bring a cozy sweater that's easy to take on and off just in case the temperature on the plane is fluctuating.
What is the pillowcase trick at the airport?
What is the pillowcase hack for the airport? Once you've stuffed the pillow case with your clothes, carry it through airport check-in as if it were the pillow you were taking on the plane, which counts as a personal item, not a carry-on item.