Answer:

CURLUP

Answer	Crossword Clue
CURLUP	Get comfy
CURLUP	Get cozy
CURLUP	Make a ball

CURLUP	Assume the fetal position
CURLUP	Get comfortable, in a way

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.