Yes and that is why we lain akdomus a few minutes prior to that.
Very few minutes prior to that, as we are already after the 1st Posuk of Kerias ahToroh, when we recite Akdomus.
its better to be alert and awake during davening then to learn all night and sleep during the aseres hadibros! “
Halocho makes special mention of this issue vis a vis Musof, since Musof seals off the Omer Period.
Meanwhile I am seeking a good Yeshivish Minyan for Yom Yerusholayim, where I can recite Hallel with Kavono along with the Minyan.
Yom Yerusholayim Sameach.