Better sleep in your boat!
Do any of you sleep in your kayaks or canoes?
It can be done, though on a multi
day trip, there may be too much gear in the boat.
In some places, there is so much private land, and so few sandbars, that boat sleeping looks attractive.
But suppose you had been sleeping in your boat when that flash flood came down the Little Missouri?
I saw a
movie once… yeah what he said above…sleep in your boat…better still…don’t go to sleep. 
watch out for those old cigar butts