Should I turn PHs off at night?

[reef diver]

Should I turn my powerheads off at night. it looks like my clown is having a hard time sleeping. Wow sounds familiar.

 

[sinaloa213]

i have them on 24/7 but dont have a clown

 

[spitfire]

DO NOT TURN THEM OFF. If you do, you may wake up one morning to find all of your animals have become rotting blobs.

 

[lion_crazz]

No, you definitely do not want them off. What do you mean it looks like he is having a hard time sleeping?