to gradually fall asleep
徐々に眠りに落ちる (jojo ni nemuri ni ochiru)
"She drifted off while reading a book."
"彼女は本を読みながら眠りに落ちました。" (Kanojo wa hon o yominagara nemuri ni ochimashita.)
to reach an agreement after discussion or struggle
to use calm breathing to release tension or anxiety
to calm yourself when feeling nervous or tense
to make a small mistake
to pass (about time); to follow or be guided by something
to return to a task or routine gradually after stress or bre...