dazed, foggy, groggy, logy, stuporous -- (stunned or confused and slow to react (as from blows or drunkenness or exhaustion))
bleary, blurred, blurry, foggy, fuzzy, hazy, muzzy -- (indistinct or hazy in outline; "a landscape of blurred outlines"; "the trees were just blurry shapes")
brumous, foggy, hazy, misty -- (filled or abounding with fog or mist; "a brumous October morning")
fogged, foggy -- (obscured by fog; "he could barely see through the fogged window")