dusk

to lose consciousness

to faint

dusky

to sleep heavily (due to illness, fatigue etc)

muddleheaded

to faint

to faint

dark; dim

to be overcome by the heat

dazed

to be too excited and can't be rational

to faint from fear

to knock out (of a jolt from an earthquake or crash)

lit. to be muddled in the brain (idiom); fig. excited and unable to act rationally

sleeping sickness

dim (eyesight)

to lose one's head

dizzy

incapable ruler

murky

morning and twilight

muddle-headed

drowsy