How to make a lion cub go to sleep

(CBS) - Here at The Feed, we're all about news you can use. For example, what do you do when your lion cub just doesn't seem to want to go to bed? Luckily, this adorable video has the answer. Watch as this animal trainer puts his lion cub to sleep in the cutest way possible.

Look how content that little cub is. Guess the old "stick your thumb in the lion's mouth" move did the trick. The only problem with this technique, of course, is the part where you have to put your thumb in a lion's mouth. Seems a little risky - but still very, very cute.