Cock Ring while sleeping

[DLD]

I often wear a cockring while I sleep. One that I am very familiar with from having worn it throughout the day.

The ring is loose enough that I do not get an erection similar to clamping, or feel any coldness which can happen when circulation is slowed, but is still tight enough that it doesn't fall off.

Still, it is not safe.

As long this is loose enough to endure going through the night and you're completely and absolutely in understanding of your method. Then I see no problem here.