My Fitbit Inspire 3 (cheapest fitbit, comes with 6 months Fitbit premium so you can see how your sleep is and address any issues) has alarm vibration options and it is (usually) enough to wake me. Never wakes the wife. If you sleep with her on your arm or something, then this probably won’t work. They also have light alarms (goes from dark yellow to bright white over a 30 minute period) and she could wear a sleep mask.
Many drugs that cause nicotine cessation also work for other addictive drugs, including alcohol. Off the top of my head…
While we’re on the subject, the co-founder of Alcoholics Anonymous, Bill W, said the help of LSD was integral to his development of AA.