Danny Phantom (2004)

S3E9 Frightmare

Danny jolts awake, donning an unusual headset in the eerie Ghost Zone. Upon making his way back to Amity Park, he finds the entire town in slumber, entrapped by Nocturne, the ghost of sleep, who is feasting on their dreams to boost his power. To thwart this menace, Danny must rally his friends and sister from their deep sleep before it's too late.