minus-squareDJtheMan2101@alien.topBtoApple@hardware.watch•Forgot to wear Apple Watch to bed. It calculated sleep time anyways. How?linkfedilinkEnglisharrow-up1·1 year agoEven without a watch, your iPhone can estimate how long you sleep based on your set sleep schedule and if/how long you use your phone at night. You need a watch for tracking sleep stages and more accurate data. linkfedilink
Even without a watch, your iPhone can estimate how long you sleep based on your set sleep schedule and if/how long you use your phone at night. You need a watch for tracking sleep stages and more accurate data.