Depends on the amount of noise in the domain that you're studying. The more noise and the more implausible the alternative is, the stronger the evidence you need to be shifted off the null.
totally agree, not saying my hypothesis is correct, but it is already proven that checking social network frequently is bad for mental health, especially notifications which is related to dopamine generation. not apples to apples comparison, but something is common on these things
There's a big difference between checking Twitter and sitting in silence.