Clown acting odd please help

I was looking at my tank this morning with a flashlight to catch some of the night life and I noticed my clown acting odd.

He is laying in crevices and not wanting to swim. There appears to be nothing visibly wrong so I am worried

 

He is most likely sleeping, when clowns sleep. They will sit on the sand and look like they are not doing well, but actually they are fine. Mine will fall over and lay down on sand and barely move when they are asleep.

 

i agree sleeping..my clowns sleep upside down in there nem

 

Thank you both!!
I had a hard time finding this exact clown and was really worried he may be sick

 

My clown sleeps head down, tail up, with it's belly on the side glass of the tank. Very weird

 

At least your clowns will sleep...... Mine swim all day and at night they swim in a large piece of colt coral.

 

Mine do the same. No worries. See the attached picture.

 

clowns are goldfish of sea

 

My clowns sleep weird too. The first time I saw it I thought they were dying.