#571: Can't Sleep explain

[Cueball is in bed, presumably trying to sleep. The top of each panel is a thought bubble showing sheep leaping over a fence and Cueball’s counting and the sheeps baaing is written above the sheeps. Two sheep are jumping from left to right in the first panel.]

1… 2…

Sheep: Baaa

[Two sheep are jumping from left to right. Cueball is holding his pillow.]

… 1,306… 1,307…

Sheep: Baaa

[A whole flock of sheep (nine visible) is jumping over the fence from right to left; the first and last sheep is cut off at the edge of the frame. Cueball is now sitting up looking up at his thought bubble.]

… 32,767 …-32,768…

Sheep: Baaa baaa baaaa baaa ba

Cueball: ?

[Two sheep are again jumping from left to right. Cueball is holding his pillow over his head.]

…-32,767… -32,766…

Sheep: Baaa