Going no-phone for a full day is always challenging and always relaxing.
You sleep better when you have a couple no-phone hours before bed.
Using your phone is bad for your posture.
You already consume and process way more information than you need to; there's no need to add to it. See also Don't let social media make you miserableDon't let social media make you miserable
Advice from a random NCBI paper¹:
Seek to maximize:
Positive interactions
Social support
Social connectedness
Seek to minimize:
Negative interactions
Social comparisons
¹ source
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