PSN is scheduled for some downtime and maintenance, which will be taking place on Thursday 1st March from 4pm until 7am. From 4pm until 7am the following services will be unavailable:
PlayStation Store (PC and Console)
Customer Account Management
Users who are already signed into their account on PlayStation Network before the start of the maintenance will not be able to stay signed in to their online session and will be signed out at the start of the downtime period. Users who attempt to log into their account after the maintenance begin will be presented with the site maintenance notification page. PS HOME will also be unavailable for the duration of the maintenance.