receiving, by a first wireless device from a base station, one or more first messages indicating downlink (DL) discontinuous reception (DRX) parameters comprising a DL DRX on-duration start offset;

determining a starting time of an active time of a sidelink DRX (SL DRX) based on the DL DRX on-duration start offset, wherein the determining further comprises determining an offset of the active time is the same as the DRX on-duration start offset based on the first wireless device being capable of simultaneous reception of a sidelink and a downlink; and

receiving, from a second wireless device, one or more sidelink transport blocks during the active time.