Ya, I just got an apple watch a couple of weeks ago and noticed this as well. It's crazy - ~4 hours of deep sleep on a normal night and 1.5-2 on a night where I

Ya, I just got an apple watch a couple of weeks ago and noticed this as well. It's crazy - ~4 hours of deep sleep on a normal night and 1.5-2 on a night where I've had even just a single drink