body pillow

noun2

1. •
   A long body-length pillow that can be held or wrapped around one's body while sleeping, typically used for orthopedic purposes.

   • You can tuck the body pillow around your body in various places, which makes finding a comfortable position easier. — 2012
2. •
   An elongated pillow depicting a character from popular media, including anime and manga, video games, and animation franchises, serving as both a comforting sleep accessories and as an item for fandom expression.