You are allowed to bring a personal blanket on an airplane. According to TSA regulations, you’re allowed to pack it in your checked bag, carry-on bag, or simply keep it in your lap.
Fact
Fear is said not to be the main emotion in nightmares. Instead, researchers have found that it’s most often feelings of sadness, guilt, and confusion.
Quote
“He who lives in harmony with himself lives in harmony with the universe.”
—Marcus Aurelius