a little tired

beat bleary bored brain burn burnt bushed clapped comatose dead dog dopey down dozy drain drained drawn drowsy drunk exhausted exhaustion fagged fatigue fatigued flagged frazzled haggard half jet jiggered knacker knackered lacklustre lag lethargic listless out overtired overworked played prostrate punch raddled run shagged shattered shell shocked sleepy spent stonkered stupefy tired washed weary whacked wiped worn wrecked zonked