This blessing is said after waking up. The first word in the prayer is gender specific. Men say modeh and women say modah.
Modeh/Modah ani l'fanecha melech hai v'kayam shehehezarta bi nishmati b'hemlah rabah emunatecha.
Sources: Cardin, Rabbi Nina Beth. The Tapestry of Jewish Time. NJ: Behrman House, 2000.