Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
睡眠学習
sleep-learning; hypnopedianoun
の
possession, attribution, nominalizer, or nominal linkergrammar
効果
effect; effectiveness; result; effects (sound, visual, special)noun, no-adjective
に
direction, time, indirect object, or target markergrammar
懐疑的
skeptical; incredulousna-adjective
だ。
plain copulagrammar