Is a Pillow Necessary when Hiking and Backpacking?

https://outdoorsfaqs.com/is-a-pillow-necessary-when-long-distance-hiking/
A pillow may not be compulsory for outdoor sleeping and it may be easy to forget it and disregard it as unimportant. But if you want a proper sleep after your outdoor activity, to recharge and to be ready to continue next day, it may be necessary. This will depend also on what type of sleeper you are.