>Cutting out caffeine and alcohol entirely from my diet were by far the biggest improvements I made
Are you sure the latter improved deep sleep? Alcohol is known to interfere with REM sleep, but I've actually found it lengthens the amount of time I spend in deep sleep if I have a single beer or something at dinner. I tracked this over months with a sleep tracker.
Are you sure the latter improved deep sleep? Alcohol is known to interfere with REM sleep, but I've actually found it lengthens the amount of time I spend in deep sleep if I have a single beer or something at dinner. I tracked this over months with a sleep tracker.