Sleeping at sea
What is the legality of sleeping at sea? Can you simply drop anchor somewhere and head below? Are there lights you're supposed to turn on for visibility? Also, what is safe? Are there any safety precautions one should take ahead of time? I'm guessing not a whole lot of people are sailing at night, so collisions from them not paying attention would be unlikely. But if you drop at 70' depth and there's nothing in the area to collide with, would that be considered safe?
Naturally weather has something to do with it, don't go down during a big storm, but I'm concerned about drifting about while sleeping as far as collisions go, and whether there would be any sort of trouble you could get in for doing so.
These weren't covered in any training videos I've watched...