Alexander so esteemed his painter that he presented Campaspe to Apelles as a reward for the portrait. The tale of Alexander and Apelles, a favorite of Renaissance and Baroque painters, celebrates the power and nobility of painting. Giovanni Battista Tiepolo painted this episode at least three times.
However even 18 hours is not considered abnormal for a Chihuahua. This includes naps.There are 2 types of sleeping. One is a lighter sleep (called slow wave) and the other is the deeper sleep (known as REM-Rapid Eye Movement). Dogs, just like humans do have these 2 different types of sleep.
Domestic rabbits often get similar amounts of sleep as humans -- around 8 hours a day. However, although humans usually sleep without interruption for hours on end, rabbit sleep is often broken up into many brief sessions. Their sleeping sessions typically last no longer than 25 minutes.