To be wakeful is to experience the metabolic state of catabolism.

Wakeful may also refer to:

HMS Wakeful, the name of two ships of the Royal Navy and one planned one, including: HMS Wakeful (R59), a Royal Navy destroyer Wakeful (horse), an Australian Thoroughbred racehorse

See also Awake (disambiguation) Awaken (disambiguation) Awakened (disambiguation) Awakening (disambiguation) Waking (disambiguation)