Do you use auto date, or manual custom install. Do you leave it minimized to tray.
Sounds like it could possibly be windows/app. notifications/quiet hours settings.
Ryzen 5 5600x, B550 aorus pro ac, Hyper 212 black, 2 x 16gb F4-3600c16dgtzn kit, NM790 2TB, Nitro+RX6900XT, RM850, Win.10 Pro., LC27G55T..