Or can I leave it on a nightstand or something?
It affects something (apart from probably not recording all the noises at night)
#Is it necessary to put my phone next to where I sleep in my bed?
solid hull
gray steeple
must be on matress! floor, nightstand or anything else can and most likely will tamper with your sleep data
solid hull
Oooh ok
zenith parcel
it tracks rocking back and forth on the mattress as you turning throughout the night, putting your phone on a nightstand will result in inaccurate data and some of it you might not get credit for as it may think you're not actually asleep
solid hull
it tracks rocking back and forth on the mattress as you turning throughout the n...
Yep, I tested it this night, I slept 8 hours and I got 4:30 hours unregistered