For a _very_ long time, my bank's website and app was down for a few hours every night, I think at around 3am. I think they only stopped doing this with PSD2, a

For a _very_ long time, my bank's website and app was down for a few hours every night, I think at around 3am. I think they only stopped doing this with PSD2, after which they needed to support card 3dsecure with the app 24/7.