私はいつの間にかぐっすり眠っていた。
Sentence Analyzer
English Translation
I fell sound asleep before I knew it.
Furigana
Romanji
Watashi wa itsunomanika gussuri nemutteita.
Words
私
(わたし、わたくし)
I; me; private affairs; personal matter; secrecy; selfishness
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
いつの間にか
(いつのまにか)
before one knows; before one becomes aware of; unnoticed; unawares
ぐっすり
(ぐっすり)
sound asleep; fast asleep
眠る
(ねむる、ねぶる)
to sleep (not necessarily lying down); to die; to close one's eyes