Free images results:

Sleep pictures, stock photos and images


Nightstand Stock Image
Author: Tuulum
Cat Royalty Free Stock Photos
Author: Scantynebula
Mr Moon Stock Photo
Author: Ng
Group Royalty Free Stock Photography
Author: Razvanjp
Sea lion Royalty Free Stock Photos
Author: Clarita
Pelicans Stock Photos
Author: Slidepix
Lioness Royalty Free Stock Photo
Author: Dcrippen
Nightstand Stock Photography
Author: Tuulum
Seal 2 Stock Photo
Author: Rsharood
Turtle 4 Stock Images
Author: Rsharood

Also, here are some commercial RF-licensed images that match your search criteria:  
Sleep Stock Image
Author: Choreograph
Sleep Stock Photos
Author: Bowie15

Explore more commercial options: More Sleep Stock Illustrations & Vectors | More Sleep Stock Video Footage