I’m hesitant. As somehow who suffers from nightmares I’ve been given medicine for this purpose and while the nightmares went away it was weird. Like non-scary dreams that were meant to be scary but replaced with ridiculous mundane things. Because of this I realized I was dreaming instantly and woke up every time which led to less sleep
At least in this case, the watch is monitoring for and gently discouraging the unwanted body/brain states rather than changing them chemically. Plus it (seemingly) does so before the sleeper internalizes anything from the nightmare.
