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Yes it has sleep mode. No manual set time but has settings from 10 minutes up to 4 hours. Yes the screen can be turned off with audio only. It is under general>energy saving in the settings menu.
Sorry, there was a problem. Please try again later.The LG 48" Class B5 Series OLED AI 4K UHD Smart webOS TV (2025), Model # OLED48B5PUA, has a Sleep Timer, a Power On Timer, and a Power Off Timer. The Sleep Timer typically allows for adjustments in 10-minute increments, starting from 10, 20, 30, 40, 50, 60, 90, 120, 180, to 240 minutes. Users can access this setting via All Settings > General/System > Time & Timer > Sleep Timer...^Ivan.
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