Going without sleep is actively harmful for every creature that needs sleep.

True.

Explanation:

Sleep is necessary for survival and to maintain the proper functioning of the organism. This is because sleep gives the body a rest and it also gives your brain a chance to sort things out. So it is one of the vital roles to help us consolidate memories. It also helps us repair or restore our organs including the immune systems, and for the correct release of hormones.

answer; the correct answer is (beta)