I've been working two full-time jobs for more than a year now while maintaining a bi-phasic sleep schedule.
Think what you wish, but sitting there in pain for a few minutes while my life ends (by my own accord) doesn't seem all that difficult comparatively.
I take on very hard tasks daily, and sustain work on them for a lot longer than three minutes.
Don't make me challenge you to a vipassana, friendo.