特発とくはつせい過眠かみんしょうだったら
toku hatsuseikamin shōdattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 特発性過眠症

1. If/when idiopathic hypersomnia…; If it were idiopathic hypersomnia…

Tara Conditional
Medicine