Settings147Activating wind down modeYou can activate wind down mode to reduce eye strain before sleeping and prevent yoursleep from being disturbed.1 On the Settings screen, tap Digital wellbeing → Wind down and tap the Turn on nowswitch to activate it.2 Turn on the switch to activate the feature you want.• Greyscale: Displays colours on the screen as grey tones.• Do not disturb: Set the device to mute notification sounds and media, except forallowed exceptions.3 To set the schedule to activate wind down mode, tap the Turn on as scheduled switch toactivate it, tap Set schedule, and then set the time.

Samsung SM-T590 User Manual