This is the 15991st most frequent Turkish word.
uykunun
"Of the sleep" or "the sleep's."
Possessive usage: Demonstrates the relationship of 'uyku' (sleep) to 'derinlikleri' (depths).
Uykunun derinlikleri bazen hayal gücünü tetikler.
The depths of sleep sometimes trigger imagination.
Genitive case indicates the context of 'uyku' (sleep) in relation to 'düzeni' (pattern).
Uykunun düzeni sağlığını etkiler.
The pattern of sleep affects your health.
The sufficiency of 'uyku' (sleep) is expressed as a subject by its possessive form 'uykunun' linked to 'yeterli olması' (being sufficient).