Ключевые слова: abstract, app, art, artwork, asleep, astronomy, background, bed, bed cap, bedtime, bubble, button, cartoon, child, design, dream, face, fence, front, houve, icon, illustration, insomnia, isolated, lying, man, moon, moonlight, nap, night, nightcap, owl, person, pillow, rest, sheep, sign, silhouette, sky, sleep, sleeper, speech, star, symbol, web, zzz,