What was Dougal Robertson doing before he hurled against the bunk?

Dougal Robertson was a Scottish sailor who famously survived 38 days adrift at sea in a small life raft with his family after their yacht, the "Lucette", sank in 1972.

The context you are referring to is not clear. It seems like you may be referencing a specific event or passage from a book or article about Dougal Robertson's ordeal.

To help me understand your question, could you please provide more information about the context? For example:

* What book or article are you referring to?

* What were the circumstances leading up to this event?

* What was happening before he hurled against the bunk?

With more context, I can provide a more accurate and helpful answer.