Methods and apparatus for configuring a discontinuous reception mode in a wireless network

Methods and apparatus are disclosed for operating a terminal device and a network node. A method of operating a terminal device of a wireless communications network, the terminal device being operable in one or more modes, the one or more modes including one or more discontinuous reception, DRX, modes, the method comprises: selecting a duration for an inactivity timer of the DRX mode; upon receiving or transmitting one or more wireless communications, starting the inactivity timer; and responsive to a determination that the duration for the inactivity timer has expired without the terminal device receiving or transmitting one or more further wireless communications, entering a DRX sleep state.