I feel like smartphones should be banned but
> On average, they were falling asleep 20 minutes faster than before the ban,
20 minutes seems like kind of a small impact.
> On average, they were falling asleep 20 minutes faster than before the ban,
20 minutes seems like kind of a small impact.
An hour of extra rest does seem significant. Also averages without standard deviations are yucky.
> , and reported getting a full hour of extra rest each night.
An hour seems like kind of a big impact.
And who knows how good it is for the quality of that sleep
And the connection between sleep quality and early death is very well documented
There's a ton of health numbers that work out to 4%. Or 1%. Some of them have massive impacts on your life, and some of them are basically negligible.
> 50 minutes earlier during the phone ban weeks compared to the week before the phone ban
That’s a big improvement. Combined with them falling asleep faster, that seems like an hour of extra sleep at least.