Is the helix syn v safe to sleep with?

Yeah it's safe, your body may absorb the lube if it is water based, and you may wake up a bit irritated (not in a dangerous way, just like you want to take it out).  Coconut oil will probably last longer and you may sleep the night.  Some guys get crazy night orgasms doing that, I have never had great pleasure from it.  but the SYN toys are soft and comfortable, awake or asleep.  I fell asleep with the new Maximus SYN and it's the most comfortable aneros I have ever used.

Yes definitely safe to sleep with Aneros inside unless you’re sleeping with a partner who is unaware of your endeavor! As mentioned use a lube with staying power. You might experience more than you thought possible as the Aneros may turn you into a passionate series of orgasmic pleasures!

Appreciate the feedback. I never in my life ever thought I'd discover so many helpful and interesting people when the matter would involve sticking something up my ass 😅

Done it with various aneros toys numeral times. Unfortunately the only results I had was poor sleep. I know some get to wake up to orgasms, but I wasn't lucky.