Yes, it happens very regularly, usually annually.

The act of proroguing Parliament by the Queen's primary (Prime) minister is, in itself, entirely normal. The differences in precedent here come from the length of prorogation (five weeks instead of the usual week-or-so) and the fact that the new Prime Minister has not demonstrated the Confidence of the House. His opponents may well be seeking to question that Confidence in order to remove his ability to enact any actions of Royal Assent or otherwise.

There's an interesting article covering the detail at the factcheck section of Channel 4, a British public broadcaster/