@dcc @RustyCrab @maija @prettygood I know a billion people who don’t therefore my anecdote is better.

Off topic but: https://pmc.ncbi.nlm.nih.gov/articles/PMC10654909/

The Apple Watch (series 8 which has less accurate sleep tracking than the Ultra and the series 10 which I’ve used) aren’t terribly accurate but they tend to skew data away from REM and deep sleep rather than toward it so would at least be good enough to disprove your retarded “melatonin doesn’t let you REM” claim