Whatisthe"SleepMode"onasmartphone,andhowdoesithelpwithfallingasleep?_[助眠]

"SleepMode"(alsocalledWindDownorBedtimeMode)isafeaturethatgraduallyreducesscreenbrightness,shiftsthedisplaytowarmercolors(bluelightfilter),andsilencesnotificationsatascheduledbedtime.Thishelpssignalyourbrainthatit'stimetorest,reducessleep-disruptingbluelightexposure,andminimizesdistractions,makingiteasiertofallasleepnaturally.