Yes sure, but I don't categorise these episodes as losing the plot.

Per my perception I've gone "missing in action" for some months or even a few years during my life. Did not check any inboxes or report to anyone. For me, these episodes have been valuable, but yes, I am guilty of neglecting my family and friends during these periods.

Summa summarum I think in some situations it is the only rational option.

As Bertrand Russell said in The Conquest of Happiness

"One should respect public opinion insofar as is necessary to avoid starvation and keep out of prison, but anything that goes beyond this is voluntary submission to an unnecessary tyranny."