"Simon Bridges is dead, long live Simon Bridges" may be a good summation of the effect of the polls released this week as National MPs return to Parliament after a week away.

The party's MPs will meet for their usual caucus on Tuesday morning, wondering which – if any – of the polls released on Monday are accurate.

The 1News Colmar Brunton poll had National soaring above Labour again at 44 per cent, as its voters returned "home" after rewarding Prime Minister Jacinda Ardern's handling of the mosque attacks in the last poll.

The Newshub Reid Research poll had National