Thanks. I was looking at Haneda's site.
ANA's site says:
Lounge Operating Hours
Near Gate 110: 5:00 AM - 1:00 AM
* If you are boarding a Star Alliance Member Flight departing before 5:00 AM, you may enter the lounge prior to the aforementioned opening time.
Near Gate 114: 6:30 AM - 1:30 PM